ALL meanings of acetylene

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  • 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 pungent-smelling hydrocarbon gas, which burns with a bright flame, used in welding and formerly in lighting. 1
  • 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 chemical compound: gas 1
  • noun acetylene (Countable Noun) (organic chemistry) Any organic compound having one or more carbon–carbon triple bonds; an alkyne. 0
  • noun acetylene (Uncountable Noun) (organic chemistry) Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless gas, with a peculiar, unpleasant odour, formerly used as an illuminating gas, but now used in welding or metallurgy. 0
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