yeast
UK /jiːst/ · US /jist/ noun, verb, proper noun
Forms yeasts yeasting yeasted
- noun An often humid, yellowish froth produced by fermenting malt worts, and used to brew beer, leaven bread, and also used in certain medicines.
- noun A single-celled fungus of any of a wide variety of taxonomic families.
- noun Baker's yeast (Saccharomyces cerevisiae)
- noun A compressed cake or dried granules of this substance used for mixing with flour to make bread dough rise.
- noun brewer's yeast, certain species of Saccharomyces, principally Saccharomyces cerevisiae and Saccharomyces carlsbergensis.
- noun Candida, a ubiquitous fungus that can cause various kinds of infections in humans.
- noun The resulting infection, candidiasis.
- noun (figuratively) A frothy foam.
- verb To ferment.
- verb (of something prepared with a yeasted dough) To rise.
- verb (African-American Vernacular, slang) To exaggerate.
- proper noun A surname.
Synonyms
Etymology
From Middle English yest, yeest, gest, gist, from Old English ġist, ġyst, from Proto-West Germanic *jestu, from Proto-Germanic *jestuz. Cognate with Saterland Frisian Jääst (“yeast”), West Frisian gêst, gist (“yeast”), Dutch gist (“yeast”), German Low German Gest (“yeast”), German Gischt (“sea foam”), Swedish jäst (“yeast”), Norwegian jest (“yeast”), Icelandic jöstur (“yeast”).
Unexplained.
Webster’s 1913
- noun 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.
- noun Spume, or foam, of water.
Etymology [OE. ýeest, ýest, AS. gist; akin to D. gest, gist, G. gischt, gäscht, OHG. jesan, jerian, to ferment, G. gischen, gäschen, gähren, Gr. zei^n to boil, Skr. yas. sq. root111.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “yeast”, CC BY-SA 4.0. Details