ethenideWiktionary 原文构词拆分ethene词根/词干+-ide后缀Archaic form of -id.词源说明From ethene + -ide.释义（英文）名词 Noun(inorganic chemistry) A compound or ion containing two carbon atoms connected by a double bond. (C24-)(organic chemistry) A compound or ion derived from ethene by the removal of a hydrogen ion. (CH2=CH-)词族相关词（3）ethenidoethenyl