💻 Topic packs · 270 words
Technology & Science Vocabulary List: 270 Words with Definitions
Devices, software, data, research methods and scientific reasoning. This is the Technology & Science topic pack inside Word Hype, spanning A1 to C2 and a core ingredient of the TOEFL pool.
| Word | Definition | Play |
|---|---|---|
| Absorb | Become imbued.Take up, as of debts or payments. | Play ▶ |
| Abstract | Existing as a thought, concept, or idea rather than having a concrete, physical existence.A summary or outline of the main points of a book, article, scientific paper, or speech. | Play ▶ |
| Academic | Relating to education, schools, colleges, scholarship, or formal study.Theoretical, hypothetical, or speculative, with no practical or immediate relevance. | Play ▶ |
| Accurate | Conforming exactly or almost exactly to fact, truth, or a specified standard.Performing a task, measurement, or shot with total precision and target success. | Play ▶ |
| Adjust | Change something slightly so that it works or fits better. | Play ▶ |
| Alloy | A mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten.The state of impairing the quality or reducing the value of something. | Play ▶ |
| Alpha | The beginning of a series or sequence; --Revelations.Early testing stage of a software or hardware product. | Play ▶ |
| Alter | Cause to change; make different; cause a transformation.Become different in some particular way, without permanently losing one's or its former characteristics or essence. | Play ▶ |
| Ambiguous | Open to more than one interpretation; having a double, vague, or uncertain meaning.Unclear, of an uncertain nature, or lacking objective boundaries. | Play ▶ |
| Analogy | A comparison between two different things, typically for the purpose of explanation or clarification.The proportion, balance, or mathematical equality of ratios. | Play ▶ |
| Ancestor | A person from whom one is descended; a forefather or progenitor more remote than a grandparent.An early, primitive, or ancestral type from which a later model, species, or system developed. | Play ▶ |
| Animal | A living creature such as a dog, cat, or bird.Relating to living creatures. | Play ▶ |
| Anomaly | Something that deviates from what is standard, normal, or expected.A person, result, or observation that is highly unusual and does not fit a category. | Play ▶ |
| Apparent | Clearly visible, open to view, or easily seen by the eye.Seeming real or true, but not necessarily so; superficial or ostensible rather than actual. | Play ▶ |
| Append | Add to the very end.Fix to; attach. | Play ▶ |
| Arbitrary | Based on random choice, personal whim, or impulse rather than any reason, system, or objective standard.Of power: tyrannical, absolute, and unrestrained by law or constitution. | Play ▶ |
| Archive | A depository, registry, or collection containing historical records, documents, or data.To compress, store, or move computer files to a long-term, low-priority storage medium. | Play ▶ |
| Aspect | A particular part, feature, or facet of a complex situation, problem, or subject.The visual appearance of a building, landscape, or face in a particular direction. | Play ▶ |
| Assemble | To gather together in one place for a common purpose, meeting, or event.To construct or build an object by putting its individual parts and components together. | Play ▶ |
| Atomic | Relating to the smallest basic unit of a chemical element. | Play ▶ |
| Attribute | A quality, property, or characteristic that belongs to or defines a person, object, or entity.To regard something as being caused by, or originating from, a specific source or author. | Play ▶ |
| Backup | An accumulation caused by clogging or a stoppage.Someone who takes the place of another (as when things get dangerous or difficult). | Play ▶ |
| Bias | A partiality, prejudice, or inclination for or against one person or group, especially in an unfair way.A diagonal line or cut across a woven fabric, running at an angle to the warp and weft. | Play ▶ |
| Bloom | A flower on a plant.To produce flowers. | Play ▶ |
| Branch | A part of a tree growing out from the trunk.A division of a business or organization. | Play ▶ |
| Buffer | Something that softens the impact between two things. | Play ▶ |
| Button | A small disk or knob sewn on to a garment.A small device pressed to operate a machine. | Play ▶ |
| Carbon | The chemical element with atomic number 6, found in all living things. | Play ▶ |
| Category | A class or division of people or things regarded as having shared characteristics.A general, fundamental concept that marks major divisions in a conceptual or philosophical scheme. | Play ▶ |
| Cattle | Domesticated bovine animals as a group regardless of sex or age;;; - Bible. | Play ▶ |
| Cause | Events that provide the generative force that is the origin of something.A justification for something existing or happening. | Play ▶ |
| Cement | A building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar.Any of various materials used by dentists to fill cavities in teeth. | Play ▶ |
| Chaos | A state of complete confusion, disorder, pandemonium, or lawlessness.In cosmology: the formless, disordered state of matter preceding the creation of the universe. | Play ▶ |
| Chart | A visual display of information.A map designed to assist navigation by air or sea. | Play ▶ |
| Chrome | Another word for chromium when it is used in dyes or pigments.Another word for chromium when it is used in dyes or pigments. | Play ▶ |
| Circuit | An electrical device that provides a path for electrical current to flow.An established itinerary of venues or events that a particular group of people travel to. | Play ▶ |
| Cited | Make reference to.commend. | Play ▶ |
| Clarify | To make a statement, situation, or concept clear and more easily comprehensible.To make a liquid clear, pure, or free from impurities, especially by heating or filtering. | Play ▶ |
| Climate | The usual weather conditions of a region over a long period. | Play ▶ |
| Cobalt | A hard blue-gray metallic chemical element. | Play ▶ |
| Cognitive | Relating to, or involving, conscious intellectual activity, such as thinking, reasoning, or remembering.Relating to the brain's ability to process, store, and retrieve information. | Play ▶ |
| Coherent | Logical, orderly, consistent, and aesthetically well-structured in all its parts.Capable of thinking, speaking, and expressing oneself in a completely clear, rational manner. | Play ▶ |
| Coincide | To happen at the same time, co-occur, or take place simultaneously by chance.To be in complete agreement, harmony, or alignment in opinion, nature, or space. | Play ▶ |
| Colony | A country or area controlled by another country.A group of animals or insects living together. | Play ▶ |
| Column | A tall, solid post used to support a building.A line of text in a newspaper or magazine. | Play ▶ |
| Complex | Consisting of many different and connected parts.A group of buildings or facilities. | Play ▶ |
| Comprise | To consist of, be composed of, or have as constituent parts.To make up, constitute, or form a larger system or total. | Play ▶ |
| Concrete | A heavy, hard building material made of sand, gravel, cement, and water.Existing in a material or physical form; real, solid, and tangible rather than abstract. | Play ▶ |
| Confirm | Establish or strengthen as with new evidence or facts.Make more firm. | Play ▶ |
| Context | The circumstances, environment, or background that form the setting for an event, statement, or idea.The parts of a written or spoken statement that immediately precede and follow a word, clarifying its meaning. | Play ▶ |
| Convert | To change the form, character, function, or system of something into another.A person who has changed their religious faith, political beliefs, or opinion. | Play ▶ |
| Copper | A reddish-brown metal used for making wires and coins.A small brown coin. | Play ▶ |
| Criteria | The plural principles, standards, or benchmarks by which something is judged, evaluated, or decided.The specific requirements, rules, or test benchmarks established for selection or judgment. | Play ▶ |
| Crystal | A solid formed by the solidification of a chemical and having a highly regular atomic structure.Colorless glass made of almost pure silica. | Play ▶ |
| Debris | The remains of something that has been destroyed or broken up. | Play ▶ |
| Deduce | To arrive at a logical fact or conclusion by reasoning from general premises, evidence, or principles.To conclude, infer, or figure out through structured deduction and logical reasoning. | Play ▶ |
| Define | To explain exactly what a word means.To show what something is. | Play ▶ |
| Degree | A unit used to measure temperature or angles.A certificate you get when you finish university. | Play ▶ |
| Delete | To erase or remove something.To remove words or files from a computer. | Play ▶ |
| Delta | Land shaped like a triangle where a river meets the sea.The fourth letter of the Greek alphabet. | Play ▶ |
| Denote | To be a sign, symbol, or direct indication of something; to stand for.To have as a literal, primary, or direct meaning, as opposed to a connotation. | Play ▶ |
| Deploy | Place troops or weapons in battle formation.Place troops or weapons in battle formation. | Play ▶ |
| Derive | To obtain, receive, or trace something from a specified source or origin.To deduce, formulate, or obtain a conclusion, math equation, or chemical compound through reasoning. | Play ▶ |
| Detect | To discover, identify, or determine the presence, existence, or fact of something hidden or subtle.To solve a crime or uncover a secret through investigation, scanning, or analysis. | Play ▶ |
| Deviate | To depart, diverge, or turn aside from an established course, plan, standard, or route.A person whose behavior, beliefs, or lifestyle departs significantly from accepted social standards. | Play ▶ |
| Device | A machine or tool made for a special use.A phone, tablet, or computer. | Play ▶ |
| Diesel | A type of fuel used in some cars and trucks.An engine that burns heavy oil. | Play ▶ |
| Digital | Displaying numbers rather than scale positions.Of a circuit or device that represents magnitudes in digits. | Play ▶ |
| Diminish | To make or become smaller, fewer, weaker, or less in size, extent, or range.To lessen, detract from, or undermine the authority, dignity, value, or reputation of someone. | Play ▶ |
| Discrete | Individually separate, distinct, and unconnected to other elements.Consisting of distinct, unconnected points or values, as in mathematical integers or data. | Play ▶ |
| Distinct | Clearly different, separate, and distinguishable in nature, quality, or identity from others.Easy to perceive, spot, or see; clearly outlined, sharp, and plain. | Play ▶ |
| Diverse | Showing a great deal of variety; very different and containing many distinct elements.Distinctly dissimilar, unlike, or varied in character or quality. | Play ▶ |
| Domain | An area controlled by a ruler or government.A specific area of knowledge or work. | Play ▶ |
| Ductile | Easily influenced.Susceptible to being led or directed. | Play ▶ |
| Durable | Able to withstand wear, pressure, or damage; hard-wearing, sturdy, and long-lasting.In economics: a consumer good that is useful over a long period, typically more than a year. | Play ▶ |
| Dynamic | Characterized by constant change, activity, or progress.A force that stimulates change or progress within a system. | Play ▶ |
| Earth | The planet on which we live.The soil or dirt on the ground. | Play ▶ |
| Earthy | Looking or smelling like dirt or soil.Simple, natural, and honest. | Play ▶ |
| Effect | A change that happens because of something else.The result of an action. | Play ▶ |
| Efficacy | The ability or capacity to produce a desired, intended, or successful result.Effectiveness, productiveness, or potency in achieving an objective. | Play ▶ |
| Elect | An exclusive group of people.Selected by a vote for an office or membership. | Play ▶ |
| Element | A part or aspect of something abstract.A substance that cannot be broken down into simpler substances. | Play ▶ |
| Elements | The fundamental, abstract, or essential parts of which anything is composed.Severe, rough, or violent weather, viewed as caused by the forces of nature. | Play ▶ |
| Emerge | To move out of, or away from, something and come into full view from concealment.To arise, occur, or come into existence as a result of a process or event. | Play ▶ |
| Empirical | Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.Capable of being proven, tested, or disproven through scientific trial and measurement. | Play ▶ |
| Emulate | To match or surpass a person or achievement, typically by imitation out of admiration.To reproduce or imitate the function of another computer, device, or program using hardware or software. | Play ▶ |
| Enable | To make someone able to do something. | Play ▶ |
| Energy | The power you need to do things and be active.Power from electricity, gas, or the sun. | Play ▶ |
| Engine | A machine with moving parts that converts power into motion.A thing that is the agent or instrument of a particular process. | Play ▶ |
| Entity | A thing with a distinct, independent, and separate existence, whether living or non-living.An abstract or real concept that has its own unique identity and properties. | Play ▶ |
| Equation | A mathematical statement that asserts the equality of two expressions using symbols.The process of equating or balancing one thing with another, making them equal. | Play ▶ |
| Erode | To gradually wear away, disintegrate, or destroy rock, soil, or material by wind, water, or other natural agents.To slowly diminish, weaken, or undermine a value, authority, confidence, or position. | Play ▶ |
| Ethical | Relating to moral principles, standards of conduct, or the philosophical study of ethics.Avoiding harm, deceit, or unfairness, and adhering to strict moral principles of justice. | Play ▶ |
| Ethics | Ideas about what is right and wrong behavior.The study of right and wrong. | Play ▶ |
| Evident | Plain, clear, or obvious to the mind, judgment, or senses; easily perceived.Discernible, visible, or capable of being easily noticed by an observer. | Play ▶ |
| Evolve | To develop gradually, especially from a simple to a more complex form.To gain, grow, or work out a plan, idea, or pattern through experience or time. | Play ▶ |
| Examine | To look at something carefully.To test someone's knowledge or health. | Play ▶ |
| Exhaust | To drain someone of their physical or mental strength; to tire out completely.Waste gases or steam ejected from an engine, pipe, or system during operation. | Play ▶ |
| Explicit | Stated clearly, precisely, and in detail, leaving no room for confusion, doubt, or implication.Graphic, highly realistic, and containing explicit details of violence or adult themes. | Play ▶ |
| External | Of, situated on, or relating to the outside or outer surface of something.Relating to foreign countries, international relations, or outside organizations. | Play ▶ |
| Extinct | No longer in existence; died out completely leaving no living representatives, as a species.Of a volcano: permanently inactive and no longer capable of erupting. | Play ▶ |
| Extract | To pull out, draw out, or remove something forcibly from a fixed position.A preparation, essence, or concentrate obtained by distillation, squeezing, or chemical processing of a plant or fruit. | Play ▶ |
| Factor | One of the things that causes something to happen.A number that divides into another number smoothly. | Play ▶ |
| Fallacy | A mistaken belief or misconception, especially one based on unsound, deceptive, or incorrect argument.The quality of being false, misleading, or deceptive in argument. | Play ▶ |
| Feature | A distinctive attribute or aspect of something.A newspaper or magazine article. | Play ▶ |
| Ferric | Of or relating to or containing iron. | Play ▶ |
| Fibers | A slender and greatly elongated substance capable of being spun into yarn.Any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber). | Play ▶ |
| Field | A piece of land cleared of trees and usually enclosed.A region where a battle is being (or has been) fought. | Play ▶ |
| Fields | Areas of land used for growing crops or keeping animals.Areas of land covered in grass. | Play ▶ |
| Finite | Having definite limits, boundaries, or caps in size, time, or extent; not infinite.Of verbs: relating to forms that are limited by tense, person, and number. | Play ▶ |
| Flange | A projection used for strength or for attaching to another object. | Play ▶ |
| Fluids | Liquids like water or juice.Substances that can flow easily. | Play ▶ |
| Focus | To give all your attention to one thing.The main point of interest. | Play ▶ |
| Foggy | When there is a lot of thick cloud near the ground making it hard to see.Not clear or confused. | Play ▶ |
| Formulate | To express, declare, or state a theory, opinion, or argument systematically and clearly.To prepare or construct a chemical formula, recipe, or medical mixture according to a precise blueprint. | Play ▶ |
| Fossil | The shape of an old bone or plant kept in rock.An old-fashioned or outdated person. | Play ▶ |
| Fraction | A numerical quantity that is not a whole number, represented as a ratio of two whole numbers.A component of a mixture that has been separated out by distillation or chemical processing. | Play ▶ |
| Friction | The resistance that one surface or object encounters when moving over another.A state of conflict, clash, or disagreement between persons, groups, or nations. | Play ▶ |
| Fundamental | Forming a necessary base, core, or foundation of central importance; elemental.A central, basic, or primary rule, principle, or assumption on which something is based. | Play ▶ |
| Fusion | The process or result of joining two or more things together to form a single entity.A nuclear reaction in which atomic nuclei combine to release massive energy. | Play ▶ |
| Gadget | A small tool or machine. | Play ▶ |
| Galaxy | A huge group of stars in space. | Play ▶ |
| Gauges | Instruments used to measure and display quantities like pressure, speed, or rainfall.Accepted standards or benchmarks against which other things are compared. | Play ▶ |
| Generic | Characteristic of or relating to a whole class, group, or genus; not specific or individual.A product, especially a drug or consumer good, that is sold without a brand name. | Play ▶ |
| Gradual | Taking place or progressing slowly by regular, small degrees or stages.Of a topographical slope or gradient: gentle, mild, and not steep. | Play ▶ |
| Graphs | Pictures that show how numbers or amounts are related. | Play ▶ |
| Gravity | The force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface;;; --Albert Einstein.A solemn and dignified feeling. | Play ▶ |
| Growth | The process of getting bigger or older. | Play ▶ |
| Habitat | The type of environment in which an organism or group normally lives or occurs. | Play ▶ |
| Hazard | A potential source of danger, risk, or harm.To venture, risk, or put forward a guess or suggestion. | Play ▶ |
| Humans | People; men, women, and children. | Play ▶ |
| Hybrid | A mix of two different things. | Play ▶ |
| Hyphen | A punctuation mark (-) used to join words or separate syllables.To divide or connect words with a horizontal dash-like symbol. | Play ▶ |
| Hypothesis | A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.A theoretical premise or starting proposition from which logical consequences are drawn. | Play ▶ |
| Icecap | A large area of thick ice that covers the North or South Pole. | Play ▶ |
| Identical | Exactly alike, equal, or incapable of being perceived as different.Being the exact same person, item, or entity under consideration; not another. | Play ▶ |
| Immerse | To dip, submerge, plunge, or thrust completely into a liquid.To involve oneself deeply in a particular activity, study, or interest; to drench or engross. | Play ▶ |
| Immune | Resistant to a particular infection, toxin, or disease owing to the presence of specific antibodies.Protected, exempt, or secure against a particular obligation, liability, or penalty. | Play ▶ |
| Impact | The strong effect that something has. | Play ▶ |
| Implicit | Implied though not plainly or directly expressed; inherent in the nature of something.Essentially connected with, or always found in, a particular situation or trait. | Play ▶ |
| Imply | To strongly suggest the truth, existence, or presence of something without stating it directly.To involve or entail something as a necessary, logical, or unavoidable consequence. | Play ▶ |
| Infant | A very young child (birth to 1 year) who has not yet begun to walk or talk. | Play ▶ |
| Infer | To deduce or conclude information from evidence, reasoning, or premises rather than explicit statements.To reason by deduction; to establish a logical result from a set of facts. | Play ▶ |
| Infinite | Limitless, endless, or boundless in space, source, or time; impossible to measure.Having no boundaries, caps, or mathematical limits. | Play ▶ |
| Inherent | Existing in something as a permanent, essential, or characteristic attribute.Deeply ingrained, constitutional, or intrinsic to a system or concept. | Play ▶ |
| Inhibit | To hinder, restrain, check, or prevent an action, process, or development.To make someone self-conscious, shy, or unable to act in a relaxed and natural way. | Play ▶ |
| Innovate | To make changes in something established, especially by introducing new methods, ideas, or products.To pioneer new techniques, processes, or technologies to solve problems. | Play ▶ |
| Inputs | Information or energy that goes into a machine. | Play ▶ |
| Inquiry | An act of asking for information or searching for truth or knowledge.A question, query, or systematic questioning to gather information. | Play ▶ |
| Insect | A small bug with six legs, like an ant or a fly. | Play ▶ |
| Insert | To put something inside something else. | Play ▶ |
| Insight | The capacity to gain an accurate and deep intuitive understanding of a person, thing, or complex situation.A clear, deep, and sometimes sudden revelation or intuitive understanding of a complicated issue. | Play ▶ |
| Inspect | To look at or examine something closely, carefully, and critically, typically to assess its condition.To visit or check something in an official, professional, or regulatory capacity. | Play ▶ |
| Install | To put a machine or computer program in so it is ready to use. | Play ▶ |
| Instance | An example or single occurrence of something happening.Cite as an example. | Play ▶ |
| Integrate | To combine, merge, or coordinate two or more things into a single, unified whole.To open a school, neighborhood, or institution to members of all racial and ethnic groups, ending segregation. | Play ▶ |
| Interact | To act in such a way as to have an effect on another; to communicate or work together.To cooperate, converse, or mingle with other people or elements. | Play ▶ |
| Internal | Of or situated on the inside of a body, object, or mind.Occurring, situated, or existing within a country, organization, company, or home. | Play ▶ |
| Interpret | To explain, make sense of, or assign a specific meaning or significance to something.To construe, understand, or view a set of facts, actions, or data in a particular way. | Play ▶ |
| Interval | An intervening period of time between two events, actions, or instants.The physical distance, space, or gap between two objects, points, or values. | Play ▶ |
| Intrinsic | Belonging to a thing by its very nature; essential, inherent, and internal.Situated entirely within, or belonging solely to, the organ or body part on which it acts physically. | Play ▶ |
| Intuition | The ability to understand or know something immediately, without the need for conscious, rational reasoning.A gut feeling, hunch, or strong impression that a particular situation is true or likely to happen. | Play ▶ |
| Inverse | Opposite or contrary in position, direction, order, nature, or effect.An inverted relation or operation, such as division being the opposite of multiplication. | Play ▶ |
| Ionize | To convert an atom or molecule into an ion by adding or removing electrons.To subject a gas or solution to radiation, inducing electrical conductivity. | Play ▶ |
| Isolate | To place, keep, or cause a person, country, or thing to be alone, apart, or separate from others.To extract, separate, or identify a pure substance, chemical element, or pathogen from a mixture or compound. | Play ▶ |
| Journal | A daily written record of (usually personal) experiences and observations.A ledger in which transactions have been recorded as they occurred. | Play ▶ |
| Junction | A point, place, or node where two or more things, roads, or railway lines meet, cross, or join.The state, process, or act of being joined, united, or coupled together. | Play ▶ |
| Kernel | A softer, usually edible part of a nut or seed.The central or most important part of something. | Play ▶ |
| Kinetic | Relating to, resulting from, or characterized by physical motion and movement.Lively, dynamic, active, and filled with a sense of motion or energy. | Play ▶ |
| Latent | Existing or present but in a hidden, dormant, or undeveloped state; not yet active, visible, or realized.Dormant, inactive, or not presently causing symptoms or signs of infection. | Play ▶ |
| Launch | Start or set in motion.A large motorboat. | Play ▶ |
| Liquid | A substance that flows freely but is of constant volume.Having a clear, pure, and flowing sound. | Play ▶ |
| Logic | The branch of philosophy that analyzes inference.Reasoned and reasonable judgment. | Play ▶ |
| Logical | According to the rules of formal argument, structured logic, and valid reasoning.Reasonable, sensible, expected, or natural as a consequence of previous facts. | Play ▶ |
| Magnet | A characteristic that provides pleasure and attracts.An entertainment that is offered to the public. | Play ▶ |
| Magnify | To make something appear larger than it actually is, especially with a lens or microscope.To overstate, exaggerate, or blow out of proportion, making something seem more important or dramatic than the truth. | Play ▶ |
| Matrix | (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules.An enclosure within which something originates or develops (from the Latin for womb). | Play ▶ |
| Method | A particular form of procedure for accomplishing something.The quality of being well organized. | Play ▶ |
| Metric | A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).(aerospace, systems engineering) To measure or analyse statistical data concerning the quality or effectiveness of a process. | Play ▶ |
| Mitigate | To make less severe, serious, harsh, or painful.To extenuate or reduce the culpability, severity, or punishment of an offense or crime. | Play ▶ |
| Multiple | The product of a given quantity multiplied by an integer.Having, involving, or consisting of more than one part, element, entity, or individual. | Play ▶ |
| Nature | The physical world including plants, animals, and landscapes.The basic qualities or character of a person or thing. | Play ▶ |
| Negate | To deny the existence, evidence, or truth of; to contradict. | Play ▶ |
| Neural | Relating to nerves or the nervous system. | Play ▶ |
| Neutral | One who does not side with any party in a war or dispute.Having only a limited ability to react chemically; chemically inactive. | Play ▶ |
| Nickel | A hard malleable ductile silvery metallic element that is resistant to corrosion.Five dollars worth of a drug. | Play ▶ |
| Object | A tangible and visible entity; an entity that can cast a shadow.(grammar) a constituent that is acted upon. | Play ▶ |
| Occur | Happen or take place as an event. | Play ▶ |
| Orbit | The (usually elliptical) path described by one celestial body in its revolution about another.An area in which something acts or operates or has power or control:. | Play ▶ |
| Organ | A fully differentiated structural and functional unit in an animal that is specialized for some particular function.A periodical that is published by a special interest group. | Play ▶ |
| Origin | The point or time at which something begins. | Play ▶ |
| Oxygen | A colorless gas needed by humans and animals for breathing. | Play ▶ |
| Packet | A collection of things wrapped or boxed together.A small package or bundle. | Play ▶ |
| Parallel | Side by side and having the same distance continuously between them, never intersecting.A person or thing that is similar or analogous to another. | Play ▶ |
| Parameter | A numerical or other measurable factor forming one of a set that defines a system or sets its conditions.A limit, boundary, or restriction that defines the scope of a particular process or activity. | Play ▶ |
| Perceive | To become aware or conscious of something, especially through the physical senses of sight, hearing, or touch.To interpret, understand, or look on someone or something in a particular way. | Play ▶ |
| Phase | A distinct stage in a process of change or development. | Play ▶ |
| Phenomenon | A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question.A remarkable, outstanding, or highly unusual person, thing, or event. | Play ▶ |
| Phone | A device used to talk to people far away.To call someone using a telephone. | Play ▶ |
| Planet | A celestial body moving in an elliptical orbit around a star.Any of the large bodies orbiting our sun, such as Earth, Mars, or Jupiter. | Play ▶ |
| Plant | Buildings for carrying on industrial labor.(botany) a living organism lacking the power of locomotion. | Play ▶ |
| Plasma | The colorless watery fluid of the blood and lymph that contains no cells.The protoplasm of the germ cells that contains chromosomes and genes. | Play ▶ |
| Poison | Something that makes you very sick or kills you if eaten.To put a harmful substance in food or drink. | Play ▶ |
| Powder | The fine particles which are the result of reducing dry substance by pounding, grinding, or triturating, or the result of decay; dust.A solid substance in the form of tiny loose particles; a solid that has been pulverized. | Play ▶ |
| Precede | To come, exist, or occur before something else in time.To come before in order, rank, position, or arrangement. | Play ▶ |
| Precise | Sharply exact, accurate, minute, or clearly defined in details.Very careful, strict, or fastidious about details, rules, or behavior. | Play ▶ |
| Predict | To say or estimate that a specified thing or event will happen in the future.To indicate or suggest that a consequence or outcome is likely to follow. | Play ▶ |
| Prevalent | Widespread, common, or predominant in a particular area, group, or time.Having superior force, influence, or general acceptance. | Play ▶ |
| Proof | Any factual evidence that helps to establish the truth of something.A measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume). | Play ▶ |
| Protocol | The official system of rules governing affairs of state, diplomatic ceremony, and polite etiquette.A set of rules governing the exchange, format, or transmission of data between devices or systems. | Play ▶ |
| Psychology | The scientific study of the human mind and its functions, especially those affecting behavior in a given context.The mental factors, characteristics, or behavioral patterns of an individual or specific group. | Play ▶ |
| Pulse | (electronics) a sharp transient wave in the normal electrical state (or a series of such transients).The rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health. | Play ▶ |
| Quantity | An amount, measure, or number of something that can be counted or measured.A large or indefinite amount of something, especially when referring to bulk or volume. | Play ▶ |
| Quartz | Colorless glass made of almost pure silica.A crystalline element used as a component in various electronic devices. | Play ▶ |
| Radar | A detection system that uses radio waves to determine the range, angle, or velocity of objects. | Play ▶ |
| Radius | A straight line from the center of a circle to its edge. | Play ▶ |
| Random | Made, done, or happening without method, conscious decision, or predictable pattern. | Play ▶ |
| Ratio | The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.A relation between two amounts. | Play ▶ |
| Rational | Based on or in accordance with reason, logic, or sensible facts rather than emotion.Expressible as a ratio of two whole numbers, such as an integer or a fraction. | Play ▶ |
| Remainder | A part, number, or quantity that is left over after other parts have been taken away, used, or dealt with.The amount left over when one number is divided by another, especially when they are not evenly divisible. | Play ▶ |
| Reproduce | To make a copy, duplicate, representation, or equivalent of something.To produce offspring, multiply, or generate more individuals of a given species. | Play ▶ |
| Reverse | A relation of direct opposition.The gears by which the motion of a machine can be [word]d. | Play ▶ |
| Rigid | A bicycle with no suspension system.Stiff, rather than flexible. | Play ▶ |
| Rigorous | Rigidly accurate; allowing no deviation from a standard.Demanding strict attention to rules and procedures. | Play ▶ |
| Rocket | A vehicle that flies into space.To move up very quickly. | Play ▶ |
| Sample | A small part chosen to represent a larger whole. | Play ▶ |
| Scope | An area in which something acts or operates or has power or control:.A magnifier of images of distant objects. | Play ▶ |
| Segment | Each of the parts into which something is or may be divided.Divide something into separate parts or sections. | Play ▶ |
| Semantic | Relating to the meaning of words, phrases, signs, or symbols.Of or relating to the study of linguistic development and meaning. | Play ▶ |
| Sequence | Serial arrangement in which things follow in logical order or a recurrent pattern.A following of one thing after another in time. | Play ▶ |
| Server | A person whose occupation is to serve at table (as in a restaurant).(computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network. | Play ▶ |
| Shadow | Shade within clear boundaries.An unilluminated area. | Play ▶ |
| Signal | Any nonverbal action or gesture that encodes a message.An electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes. | Play ▶ |
| Simulate | Reproduce someone's behavior or looks.Create a representation or model of. | Play ▶ |
| Solar | Relating to or derived from the sun, or utilizing the sun's radiant energy. | Play ▶ |
| Source | A place, person, or thing from which something comes or can be obtained.Obtain from a particular place. | Play ▶ |
| Space | The unlimited expanse in which everything is located.An empty area (usually bounded in some way between things). | Play ▶ |
| Specific | Clearly defined or identified.A precise detail. | Play ▶ |
| Spectrum | A broad, continuous range of related objects, values, qualities, ideas, or activities.A band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction. | Play ▶ |
| Stability | The quality, state, or attribute of being firm, steady, and steadfast.A stable and enduring order, especially within a society or system. | Play ▶ |
| Stable | A farm building for housing horses or other livestock.Firm and dependable; subject to little fluctuation. | Play ▶ |
| Static | A crackling or hissing noise caused by electrical interference.Not in physical motion. | Play ▶ |
| Statistics | A branch of science and mathematics concerned with the collection, analysis, interpretation, and presentation of quantitative data.A collection of quantitative data or numerical facts representing a particular theme or study. | Play ▶ |
| Steam | The hot vapor produced when water is heated. | Play ▶ |
| Steel | A strong alloy made mainly from iron and a small amount of carbon. | Play ▶ |
| Structure | The arrangement of and relations between the parts or elements of something complex.A building or other object constructed from several parts. | Play ▶ |
| Survey | Look carefully and thoroughly at someone or something, especially so as to appraise them.Investigate the opinions or experience of people by asking them questions. | Play ▶ |
| Synthesis | The process of producing a chemical compound (usually by the union of simpler chemical compounds).The combination of ideas into a complex whole. | Play ▶ |
| System | A set of connected parts working together. | Play ▶ |
| Tendency | An inclination towards a particular characteristic or type of behavior.A direction or approach towards something. | Play ▶ |
| Theory | A supposition or a system of ideas intended to explain something.An idea used to account for a situation. | Play ▶ |
| Thesis | An unproved statement put forward as a premise in an argument.An unproved statement put forward as a premise in an argument. | Play ▶ |
| Toxicity | The quality or degree of being toxic. | Play ▶ |
| Transform | An operation (often an integration) that converts one function into another.To change greatly the appearance or form of. | Play ▶ |
| Transmit | Transfer to another.[word] or serve as the medium for transmission. | Play ▶ |
| Undergo | To experience or subject oneself to a process, treatment, or change.To suffer, bear, or go through a painful or challenging experience. | Play ▶ |
| Underlie | To be the cause, base, support, or foundation of something.To exist, rest, or be situated physically beneath something else. | Play ▶ |
| Uniform | A distinctive set of clothing worn by members of a specific group, organization, or school.Always the same, consistent, or showing a single form or character in all cases and occurrences. | Play ▶ |
| Unlock | Open the lock of.Open the lock of. | Play ▶ |
| Update | Modernize or bring up to date.Bring to the latest state of technology. | Play ▶ |
| Usable | Capable of being put to use.Convenient for use or disposal. | Play ▶ |
| Vacuum | A region of space that contains no matter.An empty area or space. | Play ▶ |
| Validate | Declare or make legally valid.Prove valid; show or confirm the validity of something. | Play ▶ |
| Variable | Not consistent or having a fixed pattern; liable to change.An element, feature, or factor that is liable to vary or change. | Play ▶ |
| Velocity | Distance travelled per unit time. | Play ▶ |
| Verify | To substantiate or prove the truth of something. | Play ▶ |
| Vertical | Aligned at a right angle to a horizontal plane or surface.An upright structural member, such as a post, pillar, or stake. | Play ▶ |
| Virtual | Almost or nearly as described, but not completely.Not physically existing as such but made by software to appear to do so. | Play ▶ |
| Visible | Capable of being seen; or open to easy view.Obvious to the eye. | Play ▶ |
| Volume | A book forming part of a work or series.The amount of space that a substance or object occupies. | Play ▶ |