maleic acid

Etymology
From. Related to malic acid.

Noun

 * 1)  an unsaturated organic dicarboxylic acid, cis-butenedioic acid; HOOCCH=CHCOOH, the geometric isomer of fumaric acid; it is found in unripe fruit, and is used industrially in the production of polyester resins

Translations

 * Indonesian: asam maleat
 * Javanese: asem maléyat
 * Romanian:
 * Russian: малеи́новая кислота́