Word.ws English Dictionary

acetoin

acetoin noun: the compound 3-hydroxybutanone CH₃-CO-CH(OH)-CH₃ that is one of the constituents of the flavour of butter.

Noun

acetoin (countable and uncountable, plural acetoins)

  1. The compound 3-hydroxybutanone CH₃-CO-CH(OH)-CH₃ that is one of the constituents of the flavour of butter

Forms of acetoin

pluralacetoins

Origin of acetoin

aceto- + -in

Questions about acetoin

What does acetoin mean?
Acetoin means the compound 3-hydroxybutanone CH₃-CO-CH(OH)-CH₃ that is one of the constituents of the flavour of butter.
What part of speech is acetoin?
Acetoin is a noun.
What is the plural of acetoin?
The plural of acetoin is acetoins.

Words near acetoin in the dictionary

  1. acetohydroxamic acid
  2. acetohydroxy acid
  3. acetohydroxy acids
  4. acetohydroxyacid
  5. acetohydroxyacids
  6. acetoin
  7. acetoins
  8. acetokinase
  9. acetokinases
  10. acetol
  11. acetolactate

Source and license

Adapted from Wiktionary: acetoin (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:

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