The divalent radical CH{2}< in which the free valencies are part of single bonds
A 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
{i} hydrocarbon radical that is regarded as an essential residue and component of certain derivatives of methane (Chemistry)
A compound consisting of a methylene bound to two phosphonate groups; in radiology, it is used together with technetium 99 in order to locate areas of bone metastasis
A basic aniline dye, CO, that forms a deep blue solution when dissolved in water. It is used as an antidote for cyanide poisoning and a bacteriological stain