mother of vinegar
noun phrase
: a slimy or gelatinous film composed chiefly of acetic acid-producing bacteria that develops on the surface of alcoholic liquids undergoing aerobic fermentation and is added to wine or cider to produce vinegar
called also mother
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“Mother of vinegar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mother%20of%20vinegar. Accessed 28 Nov. 2024.
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