Meaning of catalyst
Pronunciation: (kat'l-ist), [key]
- a substance that causes or accelerates a chemical reaction without itself being affected.
- something that causes activity between two or more persons or forces without itself being affected.
- a person or thing that precipitates an event or change: His imprisonment by the government served as the catalyst that helped transform social unrest into revolution.
- a person whose talk, enthusiasm, or energy causes others to be more friendly, enthusiastic, or energetic.
- catalyst (Thesaurus)