maleic acid

English

Etymology

From Latin malum (apple). Related to malic acid.

Noun

maleic acid (uncountable)

  1. (organic chemistry) 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

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