catalyst
Translation
catalyst, stimulus, impetus, trigger
Examples
Platinum is a good catalyst.
Platinum is a good catalyst.
The event was a catalyst for change.
The event was a catalyst for change.
Grammar Patterns
a catalyst ((for sth.)) an agent for change The event was a catalyst for change.
Similar Words
Synonyms: stimulus, impetus, spark, trigger
Etymology
From Greek 'katalysis' (dissolution). A 'catalyst' is the agent that causes this 'dissolution' or change.
Memory Tips
A 'catalyst' is on the 'list' of things that cause change.