yeast
An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
Other meanings
A single-celled fungus of any of a wide variety of taxonomic families.
A true yeast or budding yeast in order Saccharomycetales.
A kind of
- leavening
Kinds of yeast
- mother
Word history
From Old English "ġist".
Where this comes from
This definition is adapted from “yeast” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.