Trimethylene

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Trimethylene \Tri*meth"yl*ene\, n. (Chem.)
     A gaseous hydrocarbon, {C3H6}, isomeric with propylene and
     obtained from it indirectly. It is the base of a series of
     compounds analogous to the aromatic hydrocarbons.