(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Noun
something that causes an important event to happen; "the invasion acted as a catalyst to unite the country"
Noun
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Usage Examples
A positive attitude causes a chain reaction of positive thoughts, events and outcomes. It is a catalyst and it sparks extraordinary results.
When you're a catalyst for change, you make enemies - and I'm proud of the ones I've got.
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Other Usage ExamplesTo them though, not to us, we were just a catalyst for their imagination.
Painful as it may be, a significant emotional event can be the catalyst for choosing a direction that serves us - and those around us - more effectively. Look for the learning.
Technology is similarly just a catalyst at times for fundamental forces already present.