Definition of "yeast"
- noun
An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
A type of single-celled fungus.
A compressed cake or dried granules of this substance used for mixing with flour to make bread dough rise.
A frothy foam.
- verb
To ferment.
To rise.
- Sources