Metacrolein

1 definition found

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

  Metacrolein \Met`a*cro"le*in\, n. [Pref. met- + acrolein.]
     (Chem.)
     A polymeric modification of acrolein obtained by heating it
     with caustic potash. It is a crystalline substance having an
     aromatic odor.
     [1913 Webster]