Thursday, October 26, 2017

Catalyst

Catalyst [ KAT-l-ist ]
 noun ]
 MEANING :
 1. something that acts as the stimulus in an activity without itself being affected in any way
2. (Chemistry) a substance that hastens a reaction or process without itself reacting with any other substance or undergoing any chemical change
 USAGE EXAMPLE 1 :
 The catalyst was an important ingredient in the experiment.