A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [uh-set-l-een, -in]
    • /əˈsɛt lˌin, -ɪn/
    • /əˈset.ə.liːn/
    • US Pronunciation
    • US IPA
    • [uh-set-l-een, -in]
    • /əˈsɛt lˌin, -ɪn/

Definitions of acetylene word

  • uncountable noun acetylene Acetylene is a colourless gas which burns with a very hot bright flame. It is often used in lamps and for cutting and welding metal. 3
  • noun acetylene a colourless flammable gas used in the manufacture of organic chemicals and in cutting and welding metals. Formula: C2H2 3
  • noun acetylene (as modifier) 3
  • noun acetylene a colorless, poisonous, highly flammable gaseous hydrocarbon, HC⋮CH, produced by the reaction of water and calcium carbide: used in organic compound synthesis, for lighting, and with oxygen in welding: the simplest alkyne 3
  • noun acetylene a colorless gas, C 2 H 2 , having an etherlike odor, produced usually by the action of water on calcium carbide or by pyrolysis of natural gas: used especially in metal cutting and welding, as an illuminant, and in organic synthesis. 1
  • noun acetylene A colorless pungent-smelling hydrocarbon gas, which burns with a bright flame, used in welding and formerly in lighting. 1

Information block about the term

Origin of acetylene

First appearance:

before 1860
One of the 29% newest English words
First recorded in 1860-65; acetyl + -ene

Historical Comparancy

Parts of speech for Acetylene


acetylene popularity

A common word. It’s meaning is known to most children of preschool age. About 75% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

acetylene usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with acetylene

  • which is the correct lewis structure for acetylene c2h2?
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  • how to use oxygen acetylene cutting torch?
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  • how to use oxy acetylene torch?
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  • how does oxy acetylene welding work?
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  • how to set oxy acetylene cutting torch?
  • how to use an acetylene torch?
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  • how to transport oxygen and acetylene?
  • how is acetylene made?

See also

Matching words

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