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catalyst

cat·a·lyst

catalyst

 
 
pronunciation:
kae t lihst
features:
Word Combinations (noun), Word Parts
part of speech: noun
definition 1: a substance that produces or speeds up a chemical reaction without being affected itself.
An enzyme is an organic catalyst.
definition 2: an agent that causes an interaction between persons or forces without being affected itself.
The incidents of police brutality were the catalyst for the riot.
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