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Definitions

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.

To fill this gap, researchers engineered the yeast Yarrowia lipolytica to produce a precise mix of six essential sterols.

From Science Daily • Mar. 27, 2026

For that sugar to then ferment and produce alcohol, the person giving the sample would also need to have a yeast infection, she wrote.

From Los Angeles Times • Mar. 19, 2026

They discovered that when microscopic organisms such as yeast and mold fed on the kelp, the byproduct more closely resembled what they were seeking.

From The Wall Street Journal • Mar. 18, 2026

Some organisms have large stretches of repetitive DNA, while yeast uses extremely small and simple versions known as "point" centromeres.

From Science Daily • Mar. 10, 2026

“Vrasayana was in charge of a brine-evaporation plant for the production of iodine, with which yeast can do without, but human beings not. His plant was forced into receivership.”

From "I, Robot" by Isaac Asimov