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Related to bakers' yeast: brewers yeast
bakers' yeast[′bāk·ərz ‚yēst]
An industrial yeast used for baking purposes because of maximum growth and low alcohol production; composed of dry cells of one or more strains of Saccharomyces cerevisiae.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.