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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-/
noun, Chemistry, Biochemistry
part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C 7 H 7 NO 2 , 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.
Origin of para-aminobenzoic acid
1905-10; para-1 + amino- + benzoic acid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for para-aminobenzoic acid

para-aminobenzoic acid

(biochem) an acid present in yeast and liver: used in the manufacture of dyes and pharmaceuticals. Formula: C6H4(NH2)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
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para-aminobenzoic acid in Medicine

para-aminobenzoic acid par·a-a·mi·no·ben·zo·ic acid (pār'ə-ə-mē'nō-běn-zō'ĭk, -ām'ə-)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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para-aminobenzoic acid in Science
para-aminobenzoic acid
  (pār'ə-ə-mē'nō-běn-zō'ĭk, -ām'ə-)   
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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