Dictionary | 2 Results
#1 catalyst n. [accelerator] (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected. wn
#2 catalyst n. something that causes an important event to happen; "the invasion acted as a catalyst to unite the country". wn
#2 catalyst n. something that causes an important event to happen; "the invasion acted as a catalyst to unite the country". wn
