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Definition of enzyme noun from the Oxford Advanced Learner's Dictionary

enzyme

noun
 
/ˈenzaɪm/
 
/ˈenzaɪm/
(biology)
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  1. a substance that is produced by all living things and that helps a chemical change happen or happen more quickly, without being changed itself
    • Enzymes are essential to the body’s functioning.
    see also proteinTopics Biologyc2
    Oxford Collocations DictionaryEnzyme is used before these nouns:
    • deficiency
    Enzyme is used after these nouns:
    • liver
    See full entry
    Word Originlate 19th cent.: coined in German from modern Greek enzumos ‘leavened’, from en- ‘within’ + Greek zumē ‘leaven’.
See enzyme in the Oxford Advanced American DictionarySee enzyme in the Oxford Learner's Dictionary of Academic English
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adjective
 
 
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