ethenide

== English == === Etymology === From ethene +‎ -ide. === Noun === ethenide (plural ethenides) (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-) ==== Hypernyms ==== carbide ==== Related terms ==== ethenido ethenyl vinyl