C1
catalyst
/ˈkætəlɪst/
noun
katalizator
Also
bodziec(m)czynnik(m)
Definition
A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change, or a person or thing that precipitates an event.
Examples
The enzyme acts as a catalyst in the reaction.
Enzym działa jako katalizator w reakcji.
Her speech was a catalyst for change in the community.
Jej przemówienie było katalizatorem zmian w społeczności.
Collocations
a powerful catalysta catalyst for changeact as a catalyst
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