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yeast

[yeest] / yist /
NOUN
leaven
Synonyms


NOUN
foam
Synonyms
NOUN
rising agent
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Perhaps the best-known examples of fermentation are in baking and brewing, where yeast breaks down sugar into ethanol and carbon dioxide.

From BBC • Jun. 4, 2026

The study contained more serious possible uses for the yeast.

From Barron's • Jun. 3, 2026

"If you tell anyone you have yeast, they immediately ask: can we use it for bread?"

From Barron's • Jun. 3, 2026

Much of the data used in the study came from yeast and E. coli, single-celled organisms that make it easier to measure the fitness effects of mutations.

From Science Daily • May 29, 2026

I held it to my face and smelled the back of Ben’s wagon, spice and yeast with the bitter tang of acids and chemical salts mingled in.

From "The Name of the Wind" by Patrick Rothfuss




Vocabulary lists containing yeast


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