acetylene
/ə ˈsɛt əl ˌin/
noun
- 1
Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
- 2
Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless gas, formerly used as an illuminating gas, but now used in welding or metallurgy.
- 3
A lamp powered by acetylene, particularly a motor vehicle headlight.
Synonyms
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