What does catalyser mean?
A catalyst is a substance that speeds up a chemical reaction without being consumed or permanently changed in the process. This is in contrast to a reactant, which is consumed in the reaction. Catalysts are often used in industrial processes, such as the production of plastics and fuels, to reduce the time and energy required for a reaction to occur. In everyday language, the term 'catalyst' is sometimes used to refer to a person or event that triggers a change or reaction. For example, a catalyst might be a person who inspires others to take action or a event that sparks a chain reaction. The use of catalysts has many benefits, including increased efficiency and reduced costs. However, the development and use of catalysts also raises important questions about the potential environmental and health impacts of these substances.
nounA substance that speeds up a chemical reaction without being consumed or permanently changed in the process.
- A substance that speeds up a chemical reaction without being consumed or permanently changed in the process.
"The catalyst in the car's exhaust system helps to reduce emissions."
"The catalyst in the car's exhaust system helps to reduce emissions."
"The enzyme acts as a catalyst in the biochemical reaction."
The plural form 'catalysers' is commonly used in British English, while 'catalysts' is more commonly used in American English.
"The company uses catalysers in their industrial processes."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of catalyser
The word 'catalyst' comes from the Greek word 'katalysin', meaning 'dissolution'. This term was first used in the 19th century to describe a substance that speeds up a chemical reaction. The term 'catalyst' was later adopted in the 20th century to describe a substance that accelerates a chemical reaction without being consumed or permanently changed in the process.
How catalyser is actually used
In chemistry, a catalyst is a substance that speeds up a chemical reaction without being consumed or permanently changed in the process. It is often used to reduce the time and energy required for a reaction to occur. In everyday language, the term 'catalyst' is sometimes used to refer to a person or event that triggers a change or reaction.