D defs.my
Entry 1 sense Webster, 1913

itaconic acid

· it·a·con·ic ac·id · IPA
01 n. The unsaturated dicarboxylic acid CH2=C(COOH)CH2.COOH, also called methylenesuccynic acid and propylene dicarboxylic acid.
  1. 1.
    The unsaturated dicarboxylic acid CH2=C(COOH)CH2.COOH, also called methylenesuccynic acid and propylene dicarboxylic acid.(Chem.) Also: methylenesuccynic acid, propylene dicarboxylic acid