Definition of Catalyst
Catalyst
cat·a·lyst
Definition/Meaning
(noun)
a person, thing, or agent that provokes an action, event, or change to take place sooner or more quickly than expected;
e.g. Her words acted as a catalyst for implementing the new policies.
(noun)
a substance that changes the rate at which a chemical reaction proceeds (usually speeding the reaction up), without itself being consumed or changed;
e.g. Solid metallic zinc functions as a catalyst in this reaction.
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