Example Sentences

the invasion acted as a catalyst to unite the country

The catalyst in the reaction is hydrochloric acid.



something that causes an important event to happen


in chemistry, a substance that initiates or accelerates a chemical reaction without itself being affected

Synonyms: accelerator

Other words

appetite suppressant, arteria perinealis, bacterial toxin, box kite, brushing, disarm, dusky, fastnacht, filamentous, foster father, genetic screening, hebdomadary, hem and haw, japanese clover, readiness, solemn, sympathizer, typeface, unornamented, wriggly