Yeast plant
Yeast Yeast, n. [OE. [yogh]eest, [yogh]est, AS. gist; akin to D. gest, gist, G. gischt, g["a]scht, OHG. jesan, jerian, to ferment, G. gischen, g["a]schen, g["a]hren, Gr. ? boiled, zei^n to boil, Skr. yas. [root]111.] [1913 Webster] 1. 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. [1913 Webster]

2. Spume, or foam, of water. [1913 Webster]

They melt thy yeast of waves, which mar Alike the Armada's pride, or spoils of Trafalgar. --Byron. [1913 Webster] [1913 Webster]

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

{Yeast plant} (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}.

{Yeast powder}, a baling powder, -- used instead of yeast in leavening bread. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • yeast plant — noun or yeast cell : an individual plant of a yeast typically consisting of a primary cell bearing one or more buds * * * yeast plant noun Any of a group of tiny, one celled fungi (genus Saccharomyces) that produce alcoholic fermentation in… …   Useful english dictionary

  • yeast plant — /ˈjist plænt/ (say yeest plant) noun any of the minute, unicellular ascomycetous fungi constituting the genus Saccharomyces, and related genera …   Australian English dictionary

  • Yeast — Yeast, n. [OE. [yogh]eest, [yogh]est, AS. gist; akin to D. gest, gist, G. gischt, g[ a]scht, OHG. jesan, jerian, to ferment, G. gischen, g[ a]schen, g[ a]hren, Gr. ? boiled, zei^n to boil, Skr. yas. [root]111.] [1913 Webster] 1. The foam, or… …   The Collaborative International Dictionary of English

  • Yeast cake — Yeast Yeast, n. [OE. [yogh]eest, [yogh]est, AS. gist; akin to D. gest, gist, G. gischt, g[ a]scht, OHG. jesan, jerian, to ferment, G. gischen, g[ a]schen, g[ a]hren, Gr. ? boiled, zei^n to boil, Skr. yas. [root]111.] [1913 Webster] 1. The foam,… …   The Collaborative International Dictionary of English

  • Yeast powder — Yeast Yeast, n. [OE. [yogh]eest, [yogh]est, AS. gist; akin to D. gest, gist, G. gischt, g[ a]scht, OHG. jesan, jerian, to ferment, G. gischen, g[ a]schen, g[ a]hren, Gr. ? boiled, zei^n to boil, Skr. yas. [root]111.] [1913 Webster] 1. The foam,… …   The Collaborative International Dictionary of English

  • yeast´like´ — yeast «yeest», noun verb. –n. 1. the substance that causes dough for most kinds of bread to rise and that causes beer to ferment. Yeast consists of very small single celled plants that grow quickly in a liquid containing sugar. 2. = yeast plant.… …   Useful english dictionary

  • yeast — or yeast plant [yēst] n. [ME yest < OE gist, akin to Ger gischt, spray, froth & OHG jesan, to ferment < IE base * yes , to foam, boil up > Gr zein, to boil, seethe] 1. any of various single celled ascomycetous fungi in which little or no …   English World dictionary

  • yeast — /jist / (say yeest) noun 1. a yellowish, somewhat viscid, semifluid substance consisting of the aggregated cells of certain minute fungi, which appears in saccharine liquids (fruit juices, malt worts, etc.), rising to the top as a froth (top… …   Australian English dictionary

  • yeast cell — noun see yeast plant …   Useful english dictionary

  • Yeast — of the species Saccharomyces cerevisiae Scientific classification Domain …   Wikipedia

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