diacetyl

American  

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

noun

Chemistry.

1. biacetyl.

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Etymology

Origin of diacetyl

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

Example Sentences

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

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

The odr-10 gene, which makes the odor receptor protein that detects diacetyl, is active in neurons that guide the worm toward a scent.

From New York Times • Jun. 20, 2011