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para-aminobenzoic acid

[ par-uh-uh-mee-noh-ben-zoh-ik, -am-uh-noh- ]
/ ˈpær ə əˌmi noʊ bɛnˈzoʊ ɪk, -ˌæm ə noʊ- /
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noun Chemistry, Biochemistry.
part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C7H7NO2, the para isomer of aminobenzoic acid: used chiefly in the manufacture of dyes and pharmaceuticals and in sunscreens to protect against ultraviolet light. Abbreviation: PABA
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Origin of para-aminobenzoic acid

First recorded in 1905–10; para-1 + amino- + benzoic acid

Words nearby para-aminobenzoic acid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use para-aminobenzoic acid in a sentence

British Dictionary definitions for para-aminobenzoic acid

para-aminobenzoic acid

noun
biochem an acid present in yeast and liver: used in the manufacture of dyes and pharmaceuticals. Formula: C 6 H 4 (NH 2)COOH
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

Scientific definitions for para-aminobenzoic acid

para-aminobenzoic acid
[ părə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə- ]

See PABA.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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