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yeast
WORDNET DICTIONARY
Noun yeast has 2 senses
- yeast(n = noun.substance) barm - a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey; Array has particulars: yeast cake, brewer's yeast, mother
- yeast(n = noun.plant) Array - any of various single-celled fungi that reproduce asexually by budding or division; Array is a kind of fungus
is a kind of leaven, leavening
Derived form adjective yeasty1
is a member of endomycetales, order endomycetales
has particulars: baker's yeast, brewer's yeast, saccharomyces cerevisiae, saccharomyces ellipsoides, wine-maker's yeast
Derived form adjective yeasty1
CIDE DICTIONARY
yeast, n. [OE. \'f4eest, \'f4est, AS. gist; akin to D. gest, gist, G. gischt, gäscht, OHG. jesan, jerian, to ferment, G. gischen, gäschen, gähren, Gr. boiled, zei^n to boil, Skr. yas.
a mealy cake impregnated with the live germs of the yeast plant, and used as a conveniently transportable substitute for yeast. -- 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 . -- a baling powder, -- used instead of yeast in leavening bread.
- 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]
- Spume, or foam, of water. [1913 Webster]"They melt thy yeast of waves, which mar
Alike the Armada's pride, or spoils of Trafalgar." [1913 Webster]
OXFORD DICTIONARY
yeast, n.
1 a greyish-yellow fungous substance obtained esp. from fermenting malt liquors and used as a fermenting agent, to raise bread, etc.
2 any of various unicellular fungi in which vegetative reproduction takes place by budding or fission.
1 a greyish-yellow fungous substance obtained esp. from fermenting malt liquors and used as a fermenting agent, to raise bread, etc.
2 any of various unicellular fungi in which vegetative reproduction takes place by budding or fission.
Derivative
yeastless adj. yeastlike adj.
Etymology
OE gist, giest (unrecorded): cf. MDu. ghist, MHG jist, ON j{ouml}str
THESAURUS
yeast
agent, alterant, alterative, alterer, catalyst, catalytic agent, ferment, foam, froth, innovationist, innovator, introducer, lather, leaven, modificator, modifier, precursor, spume, suds, transformer, transmogrifierROGET THESAURUS
yeast
Levity
N levity, lightness, imponderability, buoyancy, volatility, feather, dust, mote, down, thistle, down, flue, cobweb, gossamer, straw, cork, bubble, balloon, float, buoy, ether, air, leaven, ferment, barm, yeast, lighter-than-air balloon, helium balloon, hydrogen balloon, hot air balloon, convection, thermal draft, thermal, light, subtile, airy, imponderous, imponderable, astatic, weightless, ethereal, sublimated, gossamery, suberose, suberous, uncompressed, volatile, buoyant, floating, portable, light as a feather, light as a thistle, light as air, lighter than air, rise like a balloon, float like a balloon.Bubble
N bubble; cloud, bubble, foam, froth, head, spume, lather, suds, spray, surf, yeast, barm, spindrift, cloud, vapor, fog, mist, haze, steam, geyser, scud, messenger, rack, nimbus, cumulus, woolpack, cirrus, stratus, cirrostratus, cumulostratus, cirrocumulus, mackerel sky, mare's tale, dirty sky, curl cloud, frost smoke, thunderhead, nephelognosy, nephograph, nephology, effervescence, fermentation, bubbling, nebula, cloudliness, nebulosity, bubbling, frothy, nappy, effervescent, sparkling, mousseux, frothy, up, cloudy, thunderheaded, vaporous, nebulous, overcast, the lowring element scowls o'er the darkened lands.
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