Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary        

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 verdict of the trial was the catalyst for the riot.
Word CombinationsSubscriber feature About this feature
Word PartsSubscriber feature About this feature