The unsaturated hydrocarbon radical —C≡CH, derived from ethyne (acetylene). Usually attributive.
| 单词 | θ69420 | 
| 释义 | the world > matter > chemistry > organic chemistry > hydrocarbons > 			[noun]		 > hydrocarbon radicals > named, by number of carbon atoms > two (3)		 ethynyl1867 The unsaturated hydrocarbon radical —C≡CH, derived from ethyne (acetylene). Usually attributive. acetenyl1870 = ethynyl, n. Frequently attributive. Originally as a formative element in the names of compounds, as acetenylbenzene. ethanoyl1894 = acetyl, n. 2. | 
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