aminobenzoic acid

[uh-mee-noh-ben-zoh-ik, am-uh-noh-, uh-mee-noh-, am-uh-noh-]

a·mi·no·ben·zo·ic ac·id

[uh-mee-noh-ben-zoh-ik, am-uh-noh-, uh-mee-noh-, am-uh-noh-]
noun Chemistry.
any of three isomers having the formula C7H7NO2, derived from benzoic acid, especially the para isomer, para-aminobenzoic acid.

Origin:
1900–05; amino- + benzoic acid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aminobenzoic acid is always a great word to know.
So is aromatic. Does it mean:
to remove impurities from a gas by chemical means, as sulfur dioxide from smokestack gas or carbon dioxide from exhaled air in life-support packs
pertaining to an aromatic compound, which contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor
Collins
World English Dictionary
aminobenzoic acid (əˌmaɪnəʊbɛnˈzəʊɪk, -ˌmiː-)
 
n
a derivative of benzoic acid existing in three isomeric forms, the para- form being used in the manufacture of dyes and sunburn preventatives. Formula: NH2C6H4COOH

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

aminobenzoic acid a·mi·no·ben·zo·ic acid (ə-mē'nō-běn-zō'ĭk, ām'ə-nō-)
n.
Any of three benzoic acid derivatives, especially the yellowish para form, which is part of the vitamin B complex.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
aminobenzoic acid   (ə-mē'nō-běn-zō'ĭk, ām'ə-)  Pronunciation Key 
Any of three organic acids consisting of benzoic acid with an amino group (NH2) attached, especially PABA. Chemical formula: C7H7NO2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

aminobenzoic acid

a vitamin-like substance and a growth factor required by several types of microorganisms. In bacteria, PABA is used in the synthesis of the vitamin folic acid. The drug sulfanilamide is effective in treating some bacterial diseases because it prevents the bacterial utilization of PABA in the synthesis of folic acid.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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