yeast : Idioms & Phrases

• noun used as a leaven in baking and brewing
  Saccharomyces cerevisiae; baker's yeast.
  

WordNet

• noun brewer's yeast used in bottom fermentation of lager
  

WordNet

• noun yeast used in fermenting beer
  
• noun used as a leaven in baking and brewing
  Saccharomyces cerevisiae; baker's yeast.
  

WordNet

• noun brewer's yeast used in top fermentation of ale
  

WordNet

• noun used in making wine
  Saccharomyces ellipsoides.
  

WordNet

• noun small cake of compressed moist yeast
  

WordNet

• a mealy cake impregnated with the live germs of the yeast plant, and used as a conveniently transportable substitute for yeast.

Webster 1913

• (Bot.), the vegetable organism, or fungus, of which beer yeast consists. The yeast plant is composed of simple cells, or granules, about one three-thousandth of an inch in diameter, often united into filaments which reproduce by budding, and under certain circumstances by the formation of spores. The name is extended to other ferments of the same genus. See Saccharomyces.

Webster 1913

• a baling powder, used instead of yeast in leavening bread.

Webster 1913

Yeast"-bit`ten adjective

Definitions

1. (Brewing) A term used of beer when the froth of the yeast has reëntered the body of the beer.

Webster 1913