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catalyst
1 ENTRIES FOUND:
catalyst
(noun)
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catalyst
/
ˈ
kætələst/
noun
plural
catalysts
catalyst
/
ˈ
kætələst/
noun
plural
catalysts
Learner's definition of CATALYST
[
count
]
1
technical
:
a substance that causes a chemical reaction to happen more quickly
2
:
a person or event that quickly causes change or action
The bombing attack was the
catalyst
for war.
She was proud to be a
catalyst
for reform in the government.
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