methylene

noun meth·y·lene \ˈme-thə-ˌlēn, -lən\

Definition of METHYLENE

: a divalent hydrocarbon group CH₂ derived from methane

French méthylène, from Greek methy wine + hylē wood — more at mead

First Known Use: 1835

Medical Dictionary

noun meth·y·lene \ˈmeth-ə-ˌlēn, -lən\

: a bivalent hydrocarbon radical CH₂ derived from methane by removal of two hydrogen atoms

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