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diacetyl

American  
[dahy-uh-seet-l, -set-l, dahy-as-i-tl] / ˌdaɪ əˈsit l, -ˈsɛt l, daɪˈæs ɪ tl /

noun

Chemistry.
  1. biacetyl.


Etymology

Origin of diacetyl

First recorded in 1870–75; di- 1 + acetyl

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In transgenic mice, the team found exposure to diacetyl showed gene expression changes in lungs and brains; gene levels that are upregulated in cancers like neuroblastoma showed a significant reduction in mice exposed to diacetyl.

From Science Daily ● Feb. 27, 2024

One of its yeast strains helps to eliminate diacetyl, an off flavour that plagues some hoppy beers.

From BBC ● Oct. 29, 2023

That quality, properly known as diacetyl, is a byproduct of malolactic fermentation, in which bacteria transform sharp malic acid into softer lactic acid, which is found in dairy products like butter, milk and cheese.

From New York Times ● Oct. 14, 2021

In 2002, the National Institute for Occupational Safety and Health, reported that eight workers in a Missouri microwave popcorn plant had developed bronchiolitis obliterans after breathing diacetyl on the job.

From Washington Post ● Aug. 31, 2015

The vapor that is wafting over from your table to mine does not smell like pancakes; it smells like a synthetic blend of sugar-free butterscotch candies and diacetyl.

From Time ● Oct. 3, 2014

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