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Added 10 October 2026

acetylene

/əˈsɛtəlˌin/ noun

Coined: a coined word, by Marcellin Berthelot Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about acetylene at Wordnik → Where our words come from →

A colorless flammable gas used chiefly in welding and in organic synthesis.

Origin

Borrowed from French acétylène, coined by French chemist Marcellin Berthelot, from acetyl + -ene.

From Wiktionary, via Kaikki.org (CC BY-SA)

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