Lexic.us

Definition of Methylene

1. Noun. The bivalent radical CH2 derived from methane.

Definition of Methylene

1. n. 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.

Definition of Methylene

1. Noun. (organic chemistry) The divalent radical CH₂< in which the free valencies are part of single bonds. ¹

2. Noun. (organic chemistry) The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine. ¹

3. Noun. (organic chemistry) The unstable carbene CH₂: ¹

¹ Source: wiktionary.com

Definition of Methylene

1. [n -S]

Medical Definition of Methylene

1. 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. Methylene blue, an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; called also pure blue. Origin: F. Methylene, from Gr. Wine + wood; a word coined to correspond to the name wood spirit. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Methylene

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