Definition of enzyme in English:

enzyme

noun

Biochemistry
  • A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.

    • ‘It is clear that cells have a variety of relatively specific enzymes able to degrade these compounds.’
    • ‘They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes.’
    • ‘It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase.’
    • ‘This is probably due to the presence of other enzymes besides the protease.’
    • ‘Among these anaerobic proteins are enzymes involved in glycolysis and related processes.’

Origin

Late 19th century: coined in German from modern Greek enzumos ‘leavened’, from en- ‘within’ + Greek zumē ‘leaven’.

Pronunciation

enzyme

/ˈɛnzʌɪm/