catalyst
1.
(
noun
) something that causes an important event to happen; "the invasion acted as a catalyst to unite the country"
Related Words:
causal agency
,
causal agent
,
cause
2.
(
noun
) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonyms:
accelerator
Related Words:
activator
,
biocatalyst
,
enzyme
,
platinum black
Antonyms:
anticatalyst
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