catalyst
A catalyst is something that makes a change happen faster or more easily. In science, it is a substance that speeds up a chemical reaction without being changed itself.
예시
3 / 5The warm sun was the catalyst that made the snow melt quickly.
The sun was the cause that made the snow melt faster.
The new law acted as a catalyst for major social change.
The new law was the reason that society changed quickly.
His funny comment was the catalyst for the whole room laughing.
His joke made everyone in the room start laughing.
어휘 가족
암기 팁
Think of a 'Cat' jumping on a 'List' of chores to make them happen faster.
빠른 퀴즈
The new manager was a _______ for the team's success.
정답!
정답은: catalyst
예시
The warm sun was the catalyst that made the snow melt quickly.
everydayThe sun was the cause that made the snow melt faster.
The new law acted as a catalyst for major social change.
formalThe new law was the reason that society changed quickly.
His funny comment was the catalyst for the whole room laughing.
informalHis joke made everyone in the room start laughing.
Enzymes are biological catalysts that help our bodies work.
academicEnzymes are natural things that speed up body processes.
The new technology was a catalyst for the company's growth.
businessThe new tech helped the company grow much faster.
어휘 가족
자주 쓰는 조합
자주 쓰는 구문
catalyst for growth
something that makes a business or person get bigger/better
prime catalyst
the most important reason something happened
economic catalyst
something that helps the economy move faster
자주 혼동되는 단어
A catastrophe is a very bad disaster, while a catalyst is something that causes a change (often good).
A category is a group of similar things, whereas a catalyst is a cause of an event.
사용 참고사항
You can use this word for chemistry (real science) or for people and events (metaphorical science). It usually describes something that starts a big process.
자주 하는 실수
Learners often think a catalyst is the result of the change, but it is actually the thing that starts the change.
암기 팁
Think of a 'Cat' jumping on a 'List' of chores to make them happen faster.
어원
From the Greek word 'katalusis', which means to loosen or dissolve.
문법 패턴
빠른 퀴즈
The new manager was a _______ for the team's success.
정답!
정답은: catalyst
관련 어휘
science 관련 단어
velocity
A1Velocity describes how fast an object moves in a specific direction. It is a technical word for speed used often in science and math.
momentum
A1Momentum is the power that a moving object has to keep moving. It depends on how heavy the object is and how fast it is going. It is also used to describe a plan or project that is growing and becoming more successful.
magnetism
A1Magnetism is a physical force that pulls certain metals toward each other or pushes them away. It is also used to describe a special charm that attracts people to a person.
radiation
A1Radiation is energy that travels through space as waves or very small particles. It comes from natural sources like the sun and from machines like X-rays in hospitals.
wavelength
A1Wavelength is the distance between two peaks of a light or sound wave. It is also used to describe when people have the same ideas and understand each other.
optics
A1Optics is the branch of science that studies light and how it interacts with things like lenses and mirrors. In modern usage, it also refers to how an event or action is seen by the public.
thermodynamics
A1Thermodynamics is the study of heat and how it moves. It explains how energy changes from one form to another, such as how heat can turn into movement.
atom
A1An atom is the smallest possible part of a chemical element. Everything in the world is made of millions of these very tiny particles.
reaction
A1A reaction is a response to an action or a situation. In science, it is what happens when two or more substances are mixed together to create a change.
solution
A1A solution is a liquid mixture where a solid or gas is fully mixed into a liquid. It also means the correct answer to a problem or a difficult puzzle.
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