Meaning & use
yeast
Last updated
A microscopic fungus used to ferment sugars, especially in baking to make dough rise and in brewing to produce alcohol.
See it in a sentence
The recipe calls for a packet of active dry yeast to help the bread rise.
Brewers select different strains of yeast to create distinct beer flavors.
A note on using this word
Yeast is a single-celled fungus in the genus Saccharomyces; its fermentation process produces carbon dioxide and alcohol.
Words with a similar meaning
leavenleavening
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