Methylene

Methylene may refer to:


 * Methylene group or methylene bridge (CH2&lt; or equivalently -CH2-), a part of a molecule connected to the rest of the molecule by two single bonds.
 * An older name for methylidene (=CH2), a part of a molecule connected to another atom by a double bond.
 * Methylene (compound) (CH2), an organic compound.