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.

isophthalic acid.

terephthalic acid.

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

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

单词	phthalic acid
释义	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. isophthalic acid. terephthalic acid. 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 Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 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 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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