ethyne(redirected from ethynes)
Also found in: Dictionary, Thesaurus, Medical.
ethyne(ĕth`īn), IUPAC name for acetyleneacetylene
, HC≡CH, a colorless gas. It melts at −80.8°C; and boils at −84.0°C;. Offensive odors often noted in commercial acetylene are due to impurities. Acetylene forms explosive mixtures with oxygen or air.
..... Click the link for more information. .