Definition of acetic acid in English:

acetic acid

Line breaks: acet¦ic acid
Pronunciation: /əˈsiːtɪk
 
, əˈsɛt-/

noun

[mass noun] Chemistry
  • The acid that gives vinegar its characteristic taste. The pure acid is a colourless viscous liquid or glassy solid.
    • Alternative name: ethanoic acid; chemical formula: CH3COOH
    More example sentences
    • By the time this stage is reached the wine is no longer wine but wine vinegar which combines the sharp, acid taste of acetic acid with the odour of ethyl acetate.
    • At this time, the Arab alchemist Jabir ibn Hayyan Geber produced concentrated acetic acid by distilling vinegar.
    • Indeed, the synthesis of ethanol predates recorded history and acetic acid is oxidized ethanol or wine gone bad.

Origin

late 18th century: acetic from French acétique, from Latin acetum 'vinegar'.

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