noun Biochemistry.

the complex of enzymes obtained from yeast, also occurring in bacteria and other organisms, that acts in alcoholic fermentation and other forms of glycolysis.

Origin of zymase

1870–75; < French < Greek zȳ́m(ē) leaven + French -ase -ase
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British Dictionary definitions for zymase



a mixture of enzymes that is obtained as an extract from yeast and causes fermentation in sugars
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for zymase


[zīmās′, -māz′]


The enzyme complex in yeasts that catalyzes the breakdown of sugar into alcohol and carbon dioxide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.