Scrabble Dictionary
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Valid in these dictionaries
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Meaning of catalyst
1 definition found
From WordNet (r) 3.0 (2006) [wn]:
catalyst
n 1: (chemistry) a substance that initiates or accelerates a
chemical reaction without itself being affected [syn:
{catalyst}, {accelerator}] [ant: {anticatalyst}]
2: something that causes an important event to happen; "the
invasion acted as a catalyst to unite the country"
WordNet ® Princeton University. http://wordnet.princeton.edu
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