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YÖKDİL Science Vocabulary List: 288 Words with Definitions
YÖKDİL is Türkiye's higher-education English exam, sat by academics and postgraduate applicants, and it is split into three fields. This is the Fen Bilimleri (Science) field: physics, biology, engineering, the environment and research methodology. Words were taken from recent YÖKDİL science papers, so it is a curated practice pool rather than an official ÖSYM list.
| Word | Definition | Play |
|---|---|---|
| Absorb | To take in liquid, heat, or another substance. | Play ▶ |
| Abstract | About ideas rather than things you can touch. | Play ▶ |
| Accurate | Correct and free from mistakes. | Play ▶ |
| Achieve | To succeed in doing something after effort. | Play ▶ |
| Acquire | To get or buy something. | Play ▶ |
| Administer | To manage or organize the work of a company or system.To give medicine or treatment to someone. | Play ▶ |
| Affect | To cause a change in someone or something. | Play ▶ |
| Alloy | A material made by mixing a metal with other elements. | Play ▶ |
| Analysis | The careful study of something to understand how it works. | Play ▶ |
| Angle | The space between two lines that meet, measured in degrees. | Play ▶ |
| Animal | A living creature such as a dog, cat, or bird. | Play ▶ |
| Anomaly | Something that does not fit the usual pattern. | Play ▶ |
| Approach | A particular way of dealing with a problem or task.To move closer to someone or something. | Play ▶ |
| Arctic | Related to the area around the North Pole. | Play ▶ |
| Area | A part of a town, a country, or the world.A subject or field of study or work. | Play ▶ |
| Aspect | One part of a situation or subject. | Play ▶ |
| Assess | To judge how serious, big, or important something is. | Play ▶ |
| Assist | To help someone do something. | Play ▶ |
| Assume | To believe something is true without being certain. | Play ▶ |
| Atomic | Related to the tiny units that make up chemical elements. | Play ▶ |
| Authority | The power to give orders and make others obey.An official group that controls a public service. | Play ▶ |
| Available | Able to be used, bought, or found.Free to talk or meet because you are not busy. | Play ▶ |
| Average | The value found by adding amounts and dividing by how many there are. | Play ▶ |
| Benefit | An advantage or profit gained from something.Receive an advantage. | Play ▶ |
| Bias | An unfair preference for one person or side. | Play ▶ |
| Boundary | A line that marks where an area ends. | Play ▶ |
| Bubble | A round ball of air inside liquid. | Play ▶ |
| Camera | A device for recording visual images.A judge's private room. | Play ▶ |
| Canyon | A ravine formed by a river in an area with little rainfall. | Play ▶ |
| Capacity | The largest amount that something can hold. | Play ▶ |
| Carbon | A chemical element found in every living thing. | Play ▶ |
| Category | A group of things with shared features. | Play ▶ |
| Cause | The reason something happens. | Play ▶ |
| Chapter | One of the main parts that a book is divided into. | Play ▶ |
| Chart | A visual display of information.A map designed to assist navigation by air or sea. | Play ▶ |
| Circuit | A complete path through which electricity can flow. | Play ▶ |
| Climate | The usual weather in a place over many years. | Play ▶ |
| Cloud | A white or gray mass in the sky made of water drops.A dark shape that blocks the light. | Play ▶ |
| Cobalt | A hard, silver-grey metal used in batteries and strong metal mixtures. | Play ▶ |
| Commission | An official group of people given a particular job to do.Money paid to a seller for each item they sell. | Play ▶ |
| Community | All the people who live in a particular area or town. | Play ▶ |
| Complex | Having many connected parts that are hard to understand. | Play ▶ |
| Compute | To calculate an amount or number. | Play ▶ |
| Concept | A general idea about what something is or how it works. | Play ▶ |
| Conclude | To decide something is true after thinking about the facts.To end something, such as a speech or meeting. | Play ▶ |
| Concrete | A building material made from cement, sand, stones, and water. | Play ▶ |
| Conduct | To organize and carry out an activity, such as a survey.To direct a group of musicians as they play. | Play ▶ |
| Consist | To be made up of certain parts or things. | Play ▶ |
| Constitute | To make up a whole, together with other parts.To be seen as or count as something, such as a crime. | Play ▶ |
| Construct | To build something such as a house, road, or bridge.To create an argument, theory, or sentence carefully. | Play ▶ |
| Consume | To use up fuel, energy, time, or other supplies.To eat or drink something. | Play ▶ |
| Context | The situation that helps explain an event or idea. | Play ▶ |
| Contract | A written legal agreement between two or more people. | Play ▶ |
| Convert | To change something into a different form or use. | Play ▶ |
| Copper | A reddish-brown metal used for making wires and coins.A small brown coin. | Play ▶ |
| Create | Make or cause to be or to become.Bring into existence. | Play ▶ |
| Credit | An arrangement to buy things now and pay later.Praise for something you have done well. | Play ▶ |
| Creek | A small stream or river.A Native American group. | Play ▶ |
| Crystal | A solid whose particles are arranged in a regular pattern. | Play ▶ |
| Culture | The beliefs, customs, and way of life of a group. | Play ▶ |
| Curve | A line that bends smoothly.Something that bends and is not straight. | Play ▶ |
| Cycles | A series of events that happen over and over again.To ride a bicycle. | Play ▶ |
| Data | Facts and numbers collected to be studied or used. | Play ▶ |
| Debris | Broken pieces left after something is damaged or destroyed. | 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 ▶ |
| Delta | Land shaped like a triangle where a river meets the sea.The fourth letter of the Greek alphabet. | Play ▶ |
| Denote | To stand for or mean something. | Play ▶ |
| Derive | To get something from a particular source. | Play ▶ |
| Desert | A very dry area of land where little rain falls. | Play ▶ |
| Design | A plan showing how something will look or work. | Play ▶ |
| Detect | To discover something that is hidden or hard to notice. | Play ▶ |
| Device | A machine or tool made for a special use.A phone, tablet, or computer. | Play ▶ |
| Discrete | Separate and clearly different from other things. | Play ▶ |
| Distinct | Clearly different from something else. | Play ▶ |
| Distort | To twist something out of its usual shape. | Play ▶ |
| Distribute | To give things out to a number of people. | Play ▶ |
| Drift | To move slowly with wind or water. | Play ▶ |
| Ductile | Able to be stretched into thin wire without breaking. | Play ▶ |
| Durable | Strong enough to last a long time without damage. | Play ▶ |
| Earth | The planet on which we live.The soil or dirt on the ground. | Play ▶ |
| Economy | The system of trade, industry, and money in a country.The cheapest class of seats on a plane. | Play ▶ |
| Effect | A change that happens because of something else.The result of an action. | Play ▶ |
| Element | One part of something larger. | Play ▶ |
| Empirical | Based on what is observed or tested. | 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 ▶ |
| Equation | A mathematical statement showing that two amounts are equal. | Play ▶ |
| Erode | To slowly wear away rock or soil through water or wind. | Play ▶ |
| Errors | Mistakes or things that are wrong.Incorrect answers on a test. | Play ▶ |
| Establish | To start a company, organization, or system that will last.To find out or prove the facts about something. | Play ▶ |
| Estimate | A rough calculation of an amount or cost. | Play ▶ |
| Evaluate | To study something carefully and decide how useful it is. | Play ▶ |
| Evident | Easy to see or understand. | Play ▶ |
| Evolve | To develop and change gradually over time. | Play ▶ |
| Examine | To look at something carefully.To test someone's knowledge or health. | Play ▶ |
| Exert | To use force or influence. | Play ▶ |
| Expand | To become bigger or make something bigger.To add more details to a story. | Play ▶ |
| Export | To send goods to another country to sell them.A product sold to a different country. | Play ▶ |
| Extinct | Having no living members left, as a species. | Play ▶ |
| Extract | To pull or take something out. | Play ▶ |
| Factor | One of the things that causes something to happen.A number that divides into another number smoothly. | Play ▶ |
| Feasible | Possible to do with the time and resources available. | Play ▶ |
| Feature | An important or noticeable part of something. | Play ▶ |
| Ferric | Describing iron with three positive electrical charges. | Play ▶ |
| Final | Coming at the end; last.The last game in a competition, which decides the winner. | Play ▶ |
| Finance | The management of large amounts of money.To provide the money needed for something. | Play ▶ |
| Finite | Having an end or limit. | Play ▶ |
| Flames | The bright, burning gas that you see when something is on fire.The hot, orange part of a fire. | Play ▶ |
| Floods | When a lot of water covers land that is usually dry.A huge amount of water crashing over land. | Play ▶ |
| Fluctuate | To rise and fall repeatedly. | Play ▶ |
| Fluids | Substances that can flow, such as liquids and gases. | Play ▶ |
| Focus | To give all your attention to one thing.The main point of interest. | Play ▶ |
| Forecast | To say what is likely to happen using available information. | Play ▶ |
| Forest | A large area covered chiefly with trees and undergrowth.A dense mass of vertical objects. | Play ▶ |
| Formula | A rule in math or science written with letters and symbols.A fixed method for reaching a certain result. | Play ▶ |
| Fossil | The shape of an old bone or plant kept in rock.An old-fashioned or outdated person. | Play ▶ |
| Fraction | A number that represents part of a whole. | Play ▶ |
| Fragment | A small piece broken off something larger. | Play ▶ |
| Freeze | To make something very cold so it turns into ice. | Play ▶ |
| Friction | The force that resists movement when surfaces rub together. | Play ▶ |
| Frozen | Turned into ice or stopped moving. | Play ▶ |
| Function | The purpose or job that something has.To work or operate in the correct way. | Play ▶ |
| Fusion | The joining of different things to form one. | Play ▶ |
| Galaxy | A huge group of stars in space. | Play ▶ |
| Geyser | A hot spring that sometimes shoots water and steam into the air. | Play ▶ |
| Glass | A hard, clear material used for windows.A cup made of this material used for drinking. | Play ▶ |
| Graphs | Pictures that show how numbers or amounts are related. | Play ▶ |
| Gravity | The force that pulls things toward the earth. | Play ▶ |
| Growth | The process of getting bigger or older. | Play ▶ |
| Habitat | The natural place where an animal or plant lives. | Play ▶ |
| Hazardous | Likely to cause harm or danger. | Play ▶ |
| Heavy | Weighing a lot; difficult to lift. | Play ▶ |
| Height | How tall someone or something is. | Play ▶ |
| Humid | With a lot of water in the air. | Play ▶ |
| Hypothesis | A possible explanation that can be tested. | Play ▶ |
| Icecap | A thick layer of ice covering an area of land. | Play ▶ |
| Identify | To recognize and name who or what someone or something is. | Play ▶ |
| Ignite | To start burning or make something start burning. | Play ▶ |
| Image | A picture of someone or something. | Play ▶ |
| Impact | The strong effect that something has. | Play ▶ |
| Income | Money that you earn from your job. | Play ▶ |
| Indicate | To show that something is true or likely.To point to something with your finger or hand. | Play ▶ |
| Individual | One person, considered apart from a group.Relating to one person or thing, not to a group. | Play ▶ |
| Induce | To cause something to happen. | Play ▶ |
| Inhibit | To slow down or prevent a process. | Play ▶ |
| Injury | Harm or damage to your body. | Play ▶ |
| Insect | A small bug with six legs, like an ant or a fly. | Play ▶ |
| Institute | An organization set up for study, research, or teaching. | Play ▶ |
| Interpret | To explain the meaning of something. | Play ▶ |
| Interval | A period of time between two events. | Play ▶ |
| Inverse | Opposite in position, order, or effect. | Play ▶ |
| Invest | To put money into something, hoping to earn more. | Play ▶ |
| Involve | To include something as a necessary part.To make someone take part in something. | Play ▶ |
| Ionize | To give an atom an electrical charge by adding or removing electrons. | Play ▶ |
| Isolate | To separate someone or something from others. | Play ▶ |
| Issue | An important topic that people discuss or argue about.To officially give or supply something, such as a passport. | Play ▶ |
| Item | A single thing in a collection or list. | Play ▶ |
| Journal | A personal written record of experiences and thoughts. | Play ▶ |
| Kinetic | Related to movement. | Play ▶ |
| Labor | Work that requires physical or mental effort. | Play ▶ |
| Latent | Present but not yet active or visible. | Play ▶ |
| Legal | Allowed by the laws of a country.Relating to the law or to lawyers. | Play ▶ |
| Legislate | To make or pass laws. | Play ▶ |
| Length | The measurement from end to end.The quality of being long. | Play ▶ |
| Light | The energy that makes it possible to see things.A device that produces illumination, like a lamp. | Play ▶ |
| Liquid | A substance that flows freely but is of constant volume.Having a clear, pure, and flowing sound. | Play ▶ |
| Magnet | An object that pulls iron and some other metals toward it. | Play ▶ |
| Magnify | To make something appear larger. | Play ▶ |
| Maintain | To keep something in good condition. | Play ▶ |
| Major | Very important or large in size or effect. | Play ▶ |
| Marine | Related to the sea or things that live in it. | Play ▶ |
| Matter | The physical substance that things are made of. | Play ▶ |
| Method | A particular way of doing something. | Play ▶ |
| Metric | Using metres, grams, and litres to measure things. | Play ▶ |
| Mitigate | To make something harmful less severe. | Play ▶ |
| Momentum | The strength that keeps an activity growing or moving forward. | Play ▶ |
| Motion | The action or process of moving or being moved.A formal proposal put to a legislature or committee. | Play ▶ |
| Motor | A machine that uses energy to produce movement. | Play ▶ |
| Negligible | Too small to matter much. | Play ▶ |
| Nickel | A silver-coloured metal used in coins and batteries. | Play ▶ |
| Normal | Usual or expected in a particular situation. | Play ▶ |
| Obtain | To get something you want or need. | Play ▶ |
| Occur | Happen or take place as an event. | Play ▶ |
| Ocean | One of the world's very large areas of salt water. | Play ▶ |
| Orbit | The path of a planet or moon around another object in space. | Play ▶ |
| Output | The amount of something that a person or machine produces. | Play ▶ |
| Oxygen | A colorless gas needed by humans and animals for breathing. | Play ▶ |
| Parallel | Describing lines that remain the same distance apart and never meet. | Play ▶ |
| Parameter | A limit or condition that shapes what can be done. | Play ▶ |
| Perceive | To notice something through your senses. | Play ▶ |
| Percent | One part in every hundred, shown by the sign %. | Play ▶ |
| Period | A length of time. | Play ▶ |
| Phase | One stage in a process of change. | Play ▶ |
| Phenomenon | Something that happens and can be observed or studied. | Play ▶ |
| Planet | A large round object that moves around a star. | Play ▶ |
| Plant | A living thing such as a flower or tree. | Play ▶ |
| Policy | A plan or set of rules used to guide decisions. | Play ▶ |
| Positive | Hopeful and confident about the future.Showing that a disease or substance is present in a test. | Play ▶ |
| Potential | The possibility of developing or succeeding in the future. | Play ▶ |
| Powder | A dry substance made of very small pieces. | Play ▶ |
| Precise | Exact and accurate. | Play ▶ |
| Predict | To say what you think will happen in the future. | Play ▶ |
| Previous | Happening or existing before the one now. | Play ▶ |
| Primary | Main or most important.Relating to education for children aged about 5 to 11. | Play ▶ |
| Principle | A basic idea or rule that explains how something works.A belief about what is right that guides your behavior. | Play ▶ |
| Proceed | To continue after a pause. | Play ▶ |
| Process | A series of steps taken to reach a result.To deal with information, documents, or requests. | Play ▶ |
| Protocol | An agreed set of rules for an official activity. | Play ▶ |
| Purchase | To buy something, especially something expensive.Something that you have bought. | Play ▶ |
| Quake | A sudden shaking of the ground. | Play ▶ |
| Quantity | The amount or number of something. | Play ▶ |
| Quartz | A hard mineral found in many kinds of rock. | Play ▶ |
| Radar | A system that uses radio waves to find distant objects. | Play ▶ |
| Radius | The distance from the centre of a circle to its edge. | Play ▶ |
| Random | Happening without a clear plan or pattern. | Play ▶ |
| Range | The limits between which an amount can change, like ages 5 to 10.A group of different things of the same general type. | Play ▶ |
| Ratio | A comparison showing the relative sizes of two amounts. | Play ▶ |
| Region | A particular part of a country or the world. | Play ▶ |
| Regulation | An official rule made by a government or organization. | Play ▶ |
| Relevant | Directly connected with the subject being discussed. | Play ▶ |
| Reproduce | To make a copy of something. | Play ▶ |
| Require | To need something for a particular purpose.To make someone do something because of a rule or law. | Play ▶ |
| Research | Careful study of a subject to discover new facts.To collect information about a topic by reading and studying. | Play ▶ |
| Reside | To live in a particular place. | Play ▶ |
| Resource | A supply of something useful, such as money, oil, or workers. | Play ▶ |
| Respond | To say or write something as an answer.To act or change because of something that happens. | Play ▶ |
| Restrict | To limit the amount, size, or number of something. | Play ▶ |
| Result | Something that happens because of an action or event. | Play ▶ |
| Rigid | Stiff and unable to bend easily. | Play ▶ |
| Rigorous | Very careful and thorough. | Play ▶ |
| River | A large, natural stream of flowing water.A large amount of flowing liquid. | Play ▶ |
| Rocket | A vehicle that flies into space.To move up very quickly. | Play ▶ |
| Role | The part someone plays in an activity or organization.The character that an actor plays in a film or play. | Play ▶ |
| Rotate | To turn around a central point or line. | Play ▶ |
| Sample | A small part chosen to represent a larger whole. | Play ▶ |
| Section | One of the parts that something is divided into. | Play ▶ |
| Sector | One part of a country's economy, such as farming or banking. | Play ▶ |
| Secure | Safe from danger, damage, or loss. | Play ▶ |
| Seek | To try to find or get something. | Play ▶ |
| Select | To choose someone or something from a group. | Play ▶ |
| Sequence | The order in which things follow one another. | Play ▶ |
| Shadow | A dark shape made when something blocks the light. | Play ▶ |
| Signal | A sound, light, or action that sends a message. | Play ▶ |
| Silver | A shiny grey metal used to make jewelry and coins.The color of this shiny metal. | Play ▶ |
| Similar | Almost the same as something else, but not exactly. | Play ▶ |
| Simulate | To copy a real situation for practice or study. | Play ▶ |
| Site | A place where something is, was, or will be built.A place on the internet with pages about a subject. | Play ▶ |
| Solar | Related to the sun. | Play ▶ |
| Solid | Firm and keeping its shape rather than flowing. | Play ▶ |
| Sound | Voice of something or someone.Stable, healthy, reliable. | Play ▶ |
| Source | A place, person, or thing from which something comes or can be obtained.Obtain from a particular place. | Play ▶ |
| Specific | Exact and clearly identified. | Play ▶ |
| Spectrum | A wide range of related ideas, values, or things. | Play ▶ |
| Speed | How fast something moves or happens. | Play ▶ |
| Stable | A farm building for housing horses or other livestock.Firm and dependable; subject to little fluctuation. | Play ▶ |
| Statistics | Numbers collected to give information about something. | 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 ▶ |
| Storm | Very bad weather with strong winds and often rain or snow. | Play ▶ |
| Strategy | A careful plan for reaching a goal over time. | Play ▶ |
| Stream | A small, narrow river. | Play ▶ |
| Structure | The way the parts of something are arranged. | Play ▶ |
| Survey | A set of questions used to find out people's opinions or habits. | Play ▶ |
| Sustain | To keep something going over time. | Play ▶ |
| Synthesis | The process of combining separate ideas into a whole. | Play ▶ |
| System | A set of connected parts working together. | Play ▶ |
| Text | The written words in a book, article, or document.A written message sent from one mobile phone to another. | Play ▶ |
| Theory | An explanation based on ideas and evidence. | Play ▶ |
| Toxic | Containing poison or able to cause harm. | Play ▶ |
| Toxicity | The degree to which a substance is poisonous. | Play ▶ |
| Tradition | A custom or belief passed from one generation to the next. | Play ▶ |
| Transfer | To move someone or something to another place. | Play ▶ |
| Transient | Lasting only a short time. | Play ▶ |
| Transmit | To send a signal or message from one place to another. | Play ▶ |
| Vacuum | A space with no matter, or almost no air, in it. | Play ▶ |
| Validate | To show that something is sound or correct. | Play ▶ |
| Variable | Likely or able to change. | Play ▶ |
| Vary | To be different in different situations or cases. | Play ▶ |
| Velocity | The speed of movement in a particular direction. | Play ▶ |
| Verify | To check that something is true or accurate. | Play ▶ |
| Vertical | Pointing straight up and down. | Play ▶ |
| Visible | Able to be seen. | Play ▶ |
| Volume | The amount of space something contains or fills. | Play ▶ |
| Water | The clear liquid that people drink to stay alive. | Play ▶ |
| Weight | How heavy someone or something is. | Play ▶ |
| Wheel | A round part that turns to help a vehicle move. | Play ▶ |
| Yield | To produce a crop, profit, or result. | Play ▶ |