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brewer's yeast definition

brewer's yeast

  1. a yeast (Saccharomyces cerevisiae) used in brewing beer
  2. the byproduct yeast left after brewing, often used in medicine and foods and as a dietary supplement

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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