Definition of zymase in English:

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Pronunciation: /ˈzīmās/
Pronunciation: /ˈzīˌmāz/


A mixture of enzymes obtained from yeast that catalyze the breakdown of sugars in alcoholic fermentation.
Example sentences
  • When alcohol is produced for human consumption, zymase - provided by yeast - is used as the catalyst.
  • Even now the question remains open whether zymase can be added directly to the established list of enzymes.
  • The reaction is then carried out in presence of yeast, which contain two enzymes maltose and zymase.


Late 19th century: from French, from Greek zumē 'leaven'.

For editors and proofreaders

Syllabification: zy·mase

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