Catalyst Definition
kătl-ĭst
catalysts
noun
catalysts
A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
American Heritage
Any substance serving as the agent in catalysis.
Webster's New World
One that precipitates a process or event, especially without being involved in or changed by the consequences.
American Heritage
A person or thing acting as the stimulus in bringing about or hastening a result.
Webster's New World
Someone or something that encourages progress or change.
Economic development and integration are working as a catalyst for peace.
Wiktionary
Synonyms:
Other Word Forms of Catalyst
Noun
Singular:
catalystPlural:
catalystsOrigin of Catalyst
-
From catalysis + -ist.
From Wiktionary
From catalysis
From American Heritage Dictionary of the English Language, 5th Edition
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