D defs.my
Entry 1 sense Webster, 1913

Maleic

· Ma·le·ic · IPA
01 a. Pertaining to, or designating, an acid of the ethylene series (maleic acid), metameric with fumaric acid and obtained by heating malic acid.
  1. 1.
    Pertaining to, or designating, an acid of the ethylene series (maleic acid), metameric with fumaric acid and obtained by heating malic acid.(Chem.)