Methylenenoun
(organic chemistry) The divalent radical CH2< in which the free valencies are part of single bonds.
Methylenenoun
(organic chemistry) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
Methylenenoun
(organic chemistry) The unstable carbene CH2:
Methylenenoun
A divalent hydrocarbon radical, -CH2-, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; - formerly called also methene.
Methylenenoun
the bivalent radical CH2 derived from methane
Methylnoun
(organic compound) The univalent hydrocarbon radical, CH3-, formally derived from methane by the loss of a hydrogen atom; a compound or part of a compound formed by the attachment of such a radical.
Methylnoun
A univalent hydrocarbon radical, CH3-, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc.
Methylnoun
the univalent radical CH3- derived from methane