Catalyst
Noun
Definition: A substance that increases the rate of a chemical reaction without being consumed in the process.
Synonyms: Accelerant, Promoter, Stimulant
Antonyms: Inhibitor
- The enzyme acted as a catalyst, speeding up the reaction.
- The new technology could be a catalyst for economic growth.
- Think of a catalyst as a "spark" that ignites a reaction.
Etymology:
The word "catalyst" comes from the Greek word "katalysis" meaning "dissolution" or "loosening." The term was first coined in 1835 by Jöns Jacob Berzelius, a Swedish chemist.
Historical Usage:The concept of catalysts has been known since ancient times, but the term itself was introduced in the 19th century to describe substances that can speed up chemical reactions without being consumed or permanently altered.
Related Idioms:
"Catalyst for change"
Explanation:Refers to a person, event, or thing that sparks or triggers significant and transformative developments or progress.
Misconceptions:
Confusing a catalyst with a reactant.
Explanation:A catalyst is not consumed or permanently altered during a reaction, while a reactant is a substance that undergoes chemical changes.