ac·​et·​al·​de·​hyde | \ ˌa-sə-ˈtal-də-ˌhīd How to pronounce acetaldehyde (audio) \

Definition of acetaldehyde

: a colorless volatile water-soluble liquid aldehyde C2H4O used chiefly in organic synthesis

Examples of acetaldehyde in a Sentence

Recent Examples on the Web In light of that, the FDA this week highlighted a product recall of hand sanitizer products manufactured by Scentsational Soaps & Candles, Inc due to the presence of methanol, benzene, and acetaldehyde. Yoni Heisler, BGR, 30 Apr. 2021 In 1991, the EPA extrapolated from rodents to humans to set the safety limit for acetaldehyde at 9 micrograms per cubic meter of air – similar in volume to a cup of water in an Olympic-size swimming pool. Michael Petroni, The Conversation, 30 Oct. 2020 Using a new, precise chemical-identifying method, the group found evidence of an understudied mercury molecule called alpha-mercuri-acetaldehyde. Theresa Machemer, Smithsonian Magazine, 26 Mar. 2020 Dihydromyricetin appears to work its magic by enhancing alcohol metabolism and reducing its toxic byproduct, acetaldehyde. Daryl Davies, Joshua Silva And Terry David Church, CNN, 27 Dec. 2019 The humble orbs contain the amino acid cysteine, which helps break down acetaldehyde, which is thought to be one of the causes of hangovers. Emily Heil, Washington Post, 30 Dec. 2019 Packard said the petrochemical plants emit hundreds of tons of toxic, carcinogenic pollutants, including butadiene, acetaldehyde, benzene and formaldehyde. Peter Fimrite,, 3 Dec. 2019 The cysteine in eggs, bacon, and even broccoli might help with the absorption of acetaldehyde, and the nausea. Kyle Beechey, Bon Appétit, 25 Oct. 2019 The supplements will help move acetaldehyde, which is thought to be the main component responsible for inflammation and other hangover symptoms, through your system faster. Rosa Heyman, Redbook, 13 Mar. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acetaldehyde.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acetaldehyde

1857, in the meaning defined above

History and Etymology for acetaldehyde

borrowed from German Acetaldehyd, from acet- acet- + Aldehyd aldehyde

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Time Traveler for acetaldehyde

Time Traveler

The first known use of acetaldehyde was in 1857

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Statistics for acetaldehyde

Cite this Entry

“Acetaldehyde.” Dictionary, Merriam-Webster, Accessed 25 Jul. 2021.

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More Definitions for acetaldehyde


ac·​et·​al·​de·​hyde | \ ˌas-ə-ˈtal-də-ˌhīd How to pronounce acetaldehyde (audio) \

Medical Definition of acetaldehyde

: a colorless volatile water-soluble liquid aldehyde C2H4O used chiefly in organic synthesis that can cause irritation to mucous membranes

More from Merriam-Webster on acetaldehyde

Nglish: Translation of acetaldehyde for Spanish Speakers Encyclopedia article about acetaldehyde


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