souring


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sour

 (sour)
adj. sour·er, sour·est
1. Having a taste characteristic of that produced by acids; sharp, tart, or tangy.
2. Made acid or rancid by fermentation.
3. Having the characteristics of fermentation or rancidity; tasting or smelling of decay.
4.
a. Bad-tempered and morose; peevish: a sour temper.
b. Displeased with something one formerly admired or liked; disenchanted: sour on ballet.
5.
a. Not measuring up to the expected or usual ability or quality; bad: a sour performance of the play.
b. Not having the correct or properly produced pitch: a sour note.
6. Of or relating to excessively acid soil that is damaging to crops.
7.
a. Containing excessive levels of sulfur compounds, carbon dioxide, or both. Used of oil and natural gas.
b. Containing excessive levels of peroxides. Used of gasoline.
n.
1. The sensation of sour taste, one of the four primary tastes.
2. Something sour.
3. A mixed drink made especially with whiskey, lemon or lime juice, sugar, and sometimes soda water.
tr. & intr.v. soured, sour·ing, sours
1. To make or become sour.
2. To make or become disagreeable, disillusioned, or disenchanted.

[Middle English, from Old English sūr.]

sour′ish adj.
sour′ly adv.
sour′ness n.
Synonyms: sour, acerbic, acid, acidic, tart1
These adjectives mean having a taste like that produced by an acid: sour lemons; an acerbic vinegar; the acid taste of guavas; a lightly acidic coffee; tart cherries.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.souring - the process of becoming sour
spoiling, spoilage - the process of becoming spoiled
References in classic literature ?
A sour wine, moreover, or a souring, for its influence on the mood of those who drank it was to make them gloomy.
This ill-luck had given a gentle melancholy to his countenance, but instead of souring his nature had sweetened it, so that he was quite the humblest of the boys.
I made a study of the ancient and indispensable art of bread-making, consulting such authorities as offered, going back to the primitive days and first invention of the unleavened kind, when from the wildness of nuts and meats men first reached the mildness and refinement of this diet, and travelling gradually down in my studies through that accidental souring of the dough which, it is supposed, taught the leavening process, and through the various fermentations thereafter, till I came to "good, sweet, wholesome bread," the staff of life.