English dictionary
catalyst
/'k/&/t/-/l/I/st/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonyms acceleratorAntonyms anticatalystSource: WordNet 3.0
-
something that causes an important event to happen
ExamplesThe invasion acted as a catalyst to unite the country.
Source: WordNet 3.0