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biacetyl

[ bahy-uh-seet-l, -set-l, bahy-as-i-tl ]
/ ˌbaɪ əˈsit l, -ˈsɛt l, baɪˈæs ɪ tl /
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noun Chemistry.
a yellow, water-soluble liquid, C4H6O2, occurring in butter and in certain essential oils, as bay, and also synthesized: used chiefly to augment the flavor and odor of vinegar, coffee, and other foods.
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Also diacetyl.

Origin of biacetyl

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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