a yeast, as of the genus Saccharomyces, suitable for use as a ferment in the manufacture of wine and beer.
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Origin of brewer's yeast
First recorded in 1915–20
Words nearby brewer's yeast
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for brewer's yeast
a yeast, Saccharomyces cerevisiae, used in brewingSee yeast (def. 3)
yeast obtained as a by-product of brewing
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
Medical definitions for brewer's yeast
[ brōō′ərz ]
A yeast (genus Saccharomyces) used as a source of B-complex vitamins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.