D defs.my
Entry 1 sense Webster, 1913

Metacrolein

· Met·a·cro·le·in · IPA
01 n. A polymeric modification of acrolein obtained by heating it with caustic potash. It is a crystalline substance having an aromatic odor.
  1. 1.
    A polymeric modification of acrolein obtained by heating it with caustic potash. It is a crystalline substance having an aromatic odor.(Chem.)