Meaning ofmethylenein English

Noun

1. a divalent group –CH2–; single bonds
   Methylene is a functional group with single bonds to carbon atoms.
2. repeating unit in aliphatic compounds; hexamethylenediamine
   The polymer chain consists of repeating methylene units linked together.
3. CH2 group in organic compounds; free valencies
   The chemical compound contains a methylene group with two free valencies.