Methylene
WordNet

noun


(1)   The bivalent radical CH2 derived from methane
WiktionaryText

Etymology


, from + .

Noun



  1. The divalent radical CH2< in which the free valencies are part of single bonds.
  2. The same group, present as a repeating unit, in aliphatic compounds with names such as hexamethylenediamine.
  3. The unstable carbene CH2:
 
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