Looking for the meaning of the word CATALYSTS in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of CATALYSTS with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Catalyst
Speech Type: Noun
Etymology:
early 20th century: from catalysis, on the pattern of analyst
Audio Pronunciation:
Phonetic Spelling:
ˈkatəlɪst
Dialects: British English
Definition:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
Short Definition:substance that increases rate of chemical reaction without itself undergoing any permanent chemical change
Examples:- chlorine acts as a catalyst promoting the breakdown of ozone
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