phthalic acid
noun
Chemistry.
any of three isomeric acids having the formula C8H6O4, especially the ortho isomer (orthophthalic acid), a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
Origin of phthalic acid
First recorded in 1855–60
Words nearby phthalic acid
phs,
phse,
phthalate,
phthalein,
phthalic,
phthalic acid,
phthalic anhydride,
phthalin,
phthalocyanine,
phthalocyanine blue,
phthalocyanine green
British Dictionary definitions for phthalic acid
phthalic acid
/ (ˈθælɪk, ˈfθæl-) /
noun
a soluble colourless crystalline acid used in the synthesis of dyes and perfumes; 1,2-benzenedicarboxylic acid. Formula: C 6 H 4 (COOH) 2
Word Origin for phthalic acid
C19
phthalic, from
phthal- (see
phthalein) +
-ic
Medical definitions for phthalic acid
phthalic acid
n.
A colorless crystalline organic acid prepared from naphthalene and used in the synthesis of dyes and other organic compounds.
Scientific definitions for phthalic acid
phthalic acid
[ thăl′ĭk, fthăl′- ]
A colorless, crystalline organic acid prepared from naphthalene and used in the synthesis of dyes, perfumes, and other organic compounds. Chemical formula: C8H6O4.