Catalyst
Pronunciation: /ˈkætələst/
Catalyst (noun)
- a person or thing that causes change or action to happen quickly.
- a substance that speeds up a chemical reaction without being changed itself.
Examples
- The new policy acted as a catalyst for economic growth.
- Her speech was a catalyst for community action.
Common collocations: act as a catalyst, catalyst for change, serve as a catalyst, act as a catalyst, catalyst in a reaction