Laxi Dictionary

American Dictionary

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Definition catalyst in American English

catalyst noun

[countable] noun
/ˈkæt(ə)lɪst/
1

someone or something that causes something to happen or change

Example

The new development will act as a catalyst for growth in business and tourism.

Synonyms and related words
cause catalyst source
2

a substance that causes a chemical reaction to happen more quickly but is not affected itself. An enzyme is a type of catalyst.

Synonyms and related words
acid agrochemical alkali
Definition catalyst in American English