Meaning of CATALYST in English


transcription, транскрипция: [ ˈka-tə-ləst ]


Date: 1902

1. : a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible

2. : an agent that provokes or speeds significant change or action

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.