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para-aminobenzoic acid definition

para-aminobenzoic acid (par′ə ə mē′nō ben zōik, -am′ə nō′-)

a yellowish isomer of aminobenzoic acid, that is a component of folic acid, widely distributed in nature, esp. in yeast, and utilized as a vitamin by organisms that synthesize folic acid: it absorbs ultraviolet light and is used in suntan lotions

Etymology: para- + amino- + benzoic

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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