yeast
Pronunciation:
/iːst/noun
Definitions
An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
A single-celled fungus of a wide variety of taxonomic families.
A frothy foam.
verb
Definitions
To ferment.
(of something prepared with a yeasted dough) To rise.
To exaggerate