maleic acid

Other forms: maleic acids

Definitions of maleic acid
  1. noun
    a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins
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    type of:
    acid
    any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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