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brewer's yeast

noun

a yeast, as of the genus Saccharomyces, suitable for use as a ferment in the manufacture of wine and beer.

Origin of brewer's yeast

First recorded in 1915–20

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for brewer's yeast

brewer's yeast

noun

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

brewer's yeast in Medicine

brewer's yeast

[brōō′ərz]

n.

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.