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catalyst - Dictionary definition and meaning for word catalyst

(noun) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonyms : accelerator

(noun) something that causes an important event to happen
Example Sentence
  • the invasion acted as a catalyst to unite the country

Mnemonics (Memory Aids) for catalyst

CATA(LOOK like CATION..ions which has positive charge)like mn+2 which is a cation ,and cations SPEED UP THE RATE OF REACTION,that is how they BRING A CHEMICAL CHANGE IN A REACTION.
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by preetisoni2411

My new CAT caused A LIST (lyst) of things that suddenly changed in my life.
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by KOGrad

cat is a fast moving animal & we all know that catalyst is a chemistry word, v can assume that if we put catatalyst it will work as cat in chemistry..,.
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by kruz

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