orthophthalic acid
[ awr-thuh-thal-ik, -thuh f-thal- ]
/ ˌɔr θəˈθæl ɪk, -θəfˈθæl- /
noun Chemistry.
See under phthalic acid(def 1).
Origin of orthophthalic acid
Words nearby orthophthalic acid
orthopercussion,
orthophoria,
orthophosphate,
orthophosphoric acid,
orthophosphorous acid,
orthophthalic acid,
orthophyric,
orthopnea,
orthopneic,
orthopod,
orthopoxvirus
Definition for orthophthalic acid (2 of 2)
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
British Dictionary definitions for orthophthalic 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 orthophthalic 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 orthophthalic 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.