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para aminobenzoic acid

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par⋅a-a⋅mi⋅no⋅ben⋅zo⋅ic ac⋅id

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

Origin:
1905–10; para- 1 + amino- + benzoic acid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: para–ami·no·ben·zo·ic acid
Pronunciation: 'par-&-&-"mE-nO-"ben-"zO-ik-, 'par-&-"am-&-(")nO-
Function:noun
: a colorless para-substituted aminobenzoic acid that is a growth factor of the vitamin B complex called also PABA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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

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