Definition from Wiktionary, the free dictionary
See also: méthylène
- (organic chemistry) The divalent radical CH2< in which the free valencies are part of single bonds.
- (organic chemistry) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
- (organic chemistry) The unstable carbene CH2:
group present as a repeating unit
unstable carbene CH2