Advertisement

catalyst (n.)

"substance which speeds a chemical reaction but itself remains unchanged," 1900, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.

Others are reading

Advertisement
Advertisement
Definitions of catalyst from WordNet

catalyst (n.)
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected;
Synonyms: accelerator
catalyst (n.)
something that causes an important event to happen;
the invasion acted as a catalyst to unite the country
From wordnet.princeton.edu