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Definition 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.
Definition of Maleic acid
1. Noun. (chemistry) an unsaturated organic dicarboxylic 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 ¹
¹ Source: wiktionary.com
Medical Definition of Maleic acid
1. HOOC-CH==CH-COOH; (Z)-butenedioic acid;the cis isomer of fumaric acid; used for preparing maleate salts of antihistaminics and similar drugs. Synonym: toxilic acid. (05 Mar 2000)
Lexicographical Neighbors of Maleic Acid
Literary usage of Maleic acid
Below you will find example usage of this term as found in modern and/or classical literature:
1. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1853)
"maleic acid. PELOUZE. Ann. Chim. Phys. ... or, according to Pelouze, maleic acid),
and that the needles consist of another acid, viz., ..."
2. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1871)
"maleic acid is also converted into fumaric acid by heating it with concentrated
... maleic acid in contact with water and sodium-amalgam takes up hydrogen, ..."
3. A Text-book of Organic Chemistry by Arnold Frederik. Holleman (1920)
"This view of the structure of the tartaric acids is in complete accord with their
relation to fumaric acid and maleic acid (169), which, on treatment with a ..."
4. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1912)
"Fumaric acid forms no anhydride of its own ; all processes of dehydration convert
it into maleic anhydride, which unites with water to form maleic acid. ..."
5. Elements of Chemistry: Theoretical and Practical by William Allen Miller (1880)
"941); on the other hand, if maleic acid is heated with a small quantity of water
at 180° ... maleic acid is easily soluble even in cold water, from which it ..."
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