Definitions of yeast

The word yeast uses 5 letters:aesty.

YEAST is playable in:

Words With Friends7
Scrabble US8
Scrabble UK8

n. - The foam, or troth (top yeast), or the sediment (bottom yeast), of beer or other in fermentation, which contains the yeast plant or its spores, and under certain conditions produces fermentation in saccharine or farinaceous substances; a preparation used for raising dough for bread or cakes, and making it light and puffy; barm; ferment. 2

n. - Spume, or foam, of water. 2

n. - A form of fungus which grows as indvidual rounded cells, rather than in a mycelium, and reproduces by budding; esp. members of the orders Endomycetales and Moniliales. Some fungi may grow both as a yeast or as a mycelium, depending on the conditions of growth. 2