sour

(redirected from turn sour)
Also found in: Dictionary, Thesaurus, Idioms.

sour

1. made acid or bad, as in the case of milk or alcohol, by the action of microorganisms
2. (esp of the weather or climate) harsh and unpleasant
3. (of oil, gas, or petrol) containing a relatively large amount of sulphur compounds
4. Chiefly US any of several iced drinks usually made with spirits, lemon juice, and ice
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

sour

[sau̇r]
(chemistry)
Containing large amounts of malodorous sulfur compounds (such as mercaptans or hydrogen sulfide), as in crude oils, naphthas, or gasoline.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The relationship could turn sour. Then she would have to rely on a man she's quarrelled with to write her next job reference.
The night had earlier threatened to turn sour for Beckham as he hit four free-kicks over the bar but his name was chanted throughout by the Real faithful.
In a match which threatened to turn sour on several occasions, the Springboks had much too much firepower for a side they will face again in next year's World Cup.
But it could all turn sour if the result goes the wrong way, with public order problems expected.
If they turn sour, loan-guaranteeing companies are to assume payments on behalf of the borrowers.
Just be careful with this old trick 'cause your scheme could turn sour. Says Dawn, 14, "I sent my BF a card I had sprayed with perfume.

Full browser ?