A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [as-i-tal-duh-hahyd]
    • /ˌæs ɪˈtæl dəˌhaɪd/
    • /ˌasɪtˈaldɪhˌaɪd/
    • US Pronunciation
    • US IPA
    • [as-i-tal-duh-hahyd]
    • /ˌæs ɪˈtæl dəˌhaɪd/

Definitions of acetaldehyde word

  • noun acetaldehyde a colourless volatile pungent liquid, miscible with water, used in the manufacture of organic compounds and as a solvent and reducing agent. Formula: CH3CHO 3
  • noun acetaldehyde a colorless, soluble, flammable, liquid aldehyde, CH3CHO, formed by the oxidation of ethylene: used as a solvent and as a raw material in making many organic compounds 3
  • noun acetaldehyde a volatile, colorless, water-soluble liquid, C 2 H 4 O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis. 1
  • noun acetaldehyde A colorless volatile liquid aldehyde obtained by oxidizing ethanol. 1
  • noun acetaldehyde (organic chemistry) An organic compound (CH3CHO). Sometimes called ethanal or acetic aldehyde. See aldehyde. 0

Information block about the term

Origin of acetaldehyde

First appearance:

before 1875
One of the 25% newest English words
First recorded in 1875-80; acet- + aldehyde

Historical Comparancy

Parts of speech for Acetaldehyde


acetaldehyde popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 61% of English native speakers know the meaning and use word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

acetaldehyde usage trend in Literature

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Top questions with acetaldehyde

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