catalyst, n.
(catalysts)
(catalysts)
something that causes an important event to happen
<noun.person>
catalyst
sample sentences
"the invasion acted as a catalyst to unite the country"
semantic pointers
hypernym
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
<noun.substance>
accelerator catalyst
semantic pointers
domain of synset (topic)
hypernym
hyponym