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flat sour
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noun
fermentation occurring in canned foods after sealing.
canned food so fermented.
QUIZ
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Question 1 of 9
Which of the following nouns has an irregular plural form?
Origin of flat sour
First recorded in 1925–30
Words nearby flat sour
flat-saw, flat screen, flat sennit, flat-share, flat silver, flat sour, flat spin, flat spot, flatstick, flat tax, flatten
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022