brewer's yeast

noun

Definition of brewer's yeast

: a yeast used or suitable for use in brewing; specifically : the dried pulverized cells of such a yeast (Saccharomyces cerevisiae) used especially as a source of B-complex vitamins

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Recent Examples of brewer's yeast from the Web

Suddenly, the patron saint of beer-lovers—the brewer's yeast St. Saccharomyces cerevisiae—reaches out and momentarily squashes the hill nearly flat.

— chris lee, Ars Technica, "Lumber’s lure: Thanks to physics, viable biofuel may grow in the woods," 5 Apr. 2018
Who's next: Thompson has challenged Brent Balika of Margeaux Brasserie in the Waldorf Astoria to create a dish with Vegemite, the Australian spread made from brewer's yeast extract.

— julia thiel, Chicago Reader, "Food & Drink / Key Ingredient Watch chef Christopher Thompson create the most expensive pizza ever made with Chef Boyardee ravioli," 20 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brewer's yeast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brewer's yeast

1824

in the meaning defined above

See Words from the same year

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Medical Dictionary

brewer's yeast

noun brew·er's yeast \ ˈbrü-ərz- \

medical Definition of brewer's yeast

: the dried pulverized cells of a yeast of the genus Saccharomyces (S. cerevisiae) used in brewing and especially as a source of B-complex vitamins