Catalyst

noun

/ˈkæt.əl.ɪst/

Word Frequency: 5.5

Definitions

1.nounA substance that increases the rate of a chemical reaction without being consumed in the process.

2.nounSomeone or something that encourages progress or change.

"Economic development and integration are working as a catalyst for peace."

3.nounAn inciting incident that sets the successive conflict into motion.

4.nounA catalytic converter.

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