Is “Yeast” a Scrabble word?
Yes
YEAST
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Yeast
/iːst/
noun
1.An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
2.A single-celled fungus of a wide variety of taxonomic families.
3.A frothy foam.
verb
1.To ferment.
2.(of something prepared with a yeasted dough) To rise.
3.To exaggerate