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.
Exemples
3 sur 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.
Synonymes
Famille de mots
Astuce mémo
Think of a 'Cat' jumping on a 'List' of chores to make them happen faster.
Quiz rapide
The new manager was a _______ for the team's success.
Correct !
La bonne réponse est : catalyst
Exemples
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.
Synonymes
Famille de mots
Collocations courantes
Phrases Courantes
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
Souvent confondu avec
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.
Notes d'usage
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.
Erreurs courantes
Learners often think a catalyst is the result of the change, but it is actually the thing that starts the change.
Astuce mémo
Think of a 'Cat' jumping on a 'List' of chores to make them happen faster.
Origine du mot
From the Greek word 'katalusis', which means to loosen or dissolve.
Modèles grammaticaux
Quiz rapide
The new manager was a _______ for the team's success.
Correct !
La bonne réponse est : catalyst
Grammaire lie
Vocabulaire associé
Plus de mots sur science
energy
A1Energy is the power that comes from things like electricity, coal, or the sun to make machines work or provide heat. It also describes the physical and mental strength that people have to be active and do things.
gravity
A1Gravity is the natural force that pulls objects toward each other, especially toward the center of the Earth. It is what makes things fall to the ground and keeps us from floating away into space.
friction
A1Friction is the force that happens when two surfaces rub against each other. It makes it harder for things to move and can create heat.
inertia
A1Inertia is the tendency of an object to stay still or keep moving in the same way unless a force changes it. In a general sense, it also refers to a lack of energy or a desire to stay unchanged.
frequency
A1Frequency is how often something happens in a certain amount of time. In science, it describes the number of times a wave or signal repeats every second.
atomic
A1Atomic relates to the very small parts called atoms that make up everything in the world. It is often used to describe science, energy, or very small things.
solvent
A1A substance, usually a liquid, that is used to dissolve another substance to create a mixture. In science, it is the part of a solution that is present in the largest amount.
reduction
A1A reduction is when something becomes smaller in size, amount, or importance. In science, it can also mean a chemical reaction where a substance gains electrons.
organic chemistry
A1Organic chemistry is the branch of science that studies chemicals containing carbon. It explains how living things are made and how materials like medicine and plastic are created.
inorganic
A1An inorganic substance is something that does not come from living things, such as plants or animals. In science, it refers to chemicals and minerals like salt, water, and metals that do not contain carbon-hydrogen bonds.
Commentaires (0)
Connectez-vous pour CommenterCommencez à apprendre les langues gratuitement
Commence Gratuitement