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flat sour

noun
1.
fermentation occurring in canned foods after sealing.
2.
canned food so fermented.
Origin of flat sour
1925-1930
1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for flat sour
Historical Examples
  • "flat sour," perfectly harmless, appears often with inexperienced canners.

    Every Step in Canning Grace Viall Gray
  • "flat sour" affects peas, beans, asparagus and corn more than other vegetables.

    Every Step in Canning Grace Viall Gray

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Word Value for flat

7
8
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