Catalyst
[n] something that causes an important event to happen; "the invasion acted as a catalyst to unite the country"
[n] (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Related Information
Related Terms
agent, agent provocateur, agitator, agitprop, alterant, alterative, alterer, author, begetter, beginner, catalysis, catalytic agent, causer, creator, decay, demagogue, dialysis, dissociation, effector, engenderer, exciter, father, ferment, firebrand, fiss