( n. )
The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous.
( n. )
The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012