maleic acid

[ muh-lee-ik ]
/ məˈli ɪk /

noun Chemistry.

a colorless, crystalline, water-soluble solid, C4H4O4, isomeric with fumaric acid, having an astringent, repulsive taste and faint acidulous odor: used in the manufacture of synthetic resins, the dyeing and finishing of textiles, and as a preservative for fats and oils.

Origin of maleic acid

1870–75; < French maléique, alteration of malique malic

British Dictionary definitions for maleic acid

maleic acid
/ (məˈleɪɪk) /

noun

a colourless soluble crystalline substance used to synthesize other compounds. Formula: HOOCCH:CHCOOH Systematic name: cis-butanedioic acid

Word Origin for maleic acid

C19: from French maléique, altered form of malique; see malic acid

Medical definitions for maleic acid

maleic acid
[ mə-lēĭk ]

n.

A colorless crystalline dibasic acid that is an isomer of fumaric acid and is used as an oil and fat preservative.

Scientific definitions for maleic acid

maleic acid
[ mə-lēĭk ]

A colorless crystalline acid used in textile processing and as an oil and fat preservative. Maleic acid is a geometric isomer of fumaric acid, having two carboxyl groups (COOH) on the same side of an ethylene chain. Chemical formula: C4H4O4.