Acetylene

English

Etymology

From acetyl + -ene.

Pronunciation

• IPA: /ə ˈsɛt əl ˌin/

• Audio (US)

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Noun

Acetylene (countable and uncountable; plural Acetylenes)

1. (organic chemistry, countable) Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
2. (organic chemistry, uncountable) 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.

Synonyms

• (IUPAC name): ethyne