Definitions for ethyne
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Princeton's WordNet
acetylene, ethyne, alkyne(noun)
a colorless flammable gas used chiefly in welding and in organic synthesis
Wiktionary
ethyne(Noun)
The official IUPAC name for the organic chemical compound acetylene. The simplest alkyne, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula CH.
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