English · Food & Drink
yeast
/jiːst/
[/jiːst/]
baking leavening fungus
Advancednoun
Definition
Yeast is a substance used in baking to make bread rise and in brewing alcohol.
Example
She mixed the yeast with warm water and watched the dough slowly rise over the hour.
She mixed the yeast with warm water and watched the dough slowly rise over the hour.
Etymology
From Old English 'gist', related to words meaning to foam or boil.
How & Where It’s Used
Essential for leavening bread and fermenting beer and wine.