acetaldehyde

US/ˌæs.ɪˈtæl.dəˌhaɪd/

acetaldehyde noun: a colourless organic compound, CH₃CHO, occurring widely in nature and being produced on a large scale in industry.

Image: Д.Ильин : vectorization, CC0, via Wikimedia Commons

Noun

acetaldehyde (countable and uncountable, plural acetaldehydes)

A colourless organic compound, CH₃CHO, occurring widely in nature and being produced on a large scale in industry.
- When you have a drink, your body turns the ethanol that’s present in the alcoholic beverage into a “really nasty substance” called acetaldehyde, which can damage your DNA, said Timothy Stockwell, an alcohol researcher at the University of Victoria in Canada.2025 May 20, Caroline Hopkins Legaspi, quoting Timothy Stockwell, “Is There a Least Bad Alcohol?”, in The New York Times, →ISSN, archived from the original on 20 May 2025
Synonyms:

acetic aldehyde, ethanal

அசற்றலிடிகைட்டு

plural	acetaldehydes

From acet- + aldehyde.

What does acetaldehyde mean?: Acetaldehyde means a colourless organic compound, CH₃CHO, occurring widely in nature and being produced on a large scale in industry.
What is acetaldehyde in Tamil?: Acetaldehyde in Tamil is அசற்றலிடிகைட்டு. See Acetaldehyde meaning in Tamil.
What part of speech is acetaldehyde?: Acetaldehyde is a noun.
How do you pronounce acetaldehyde?: Acetaldehyde is pronounced /ˌæs.ɪˈtæl.dəˌhaɪd/ (US).
What is the plural of acetaldehyde?: The plural of acetaldehyde is acetaldehydes.

Adapted from Wiktionary: acetaldehyde (page history and authors); acetaldehyde (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Eleanorrrrrrrrrr-acetaldehyde.wav.

Cite this entry: “acetaldehyde.” Word.ws, https://word.ws/acetaldehyde. Based on Wiktionary, CC BY-SA 4.0.