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para-aminobenzoic acid

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

noun

, Chemistry, Biochemistry.
  1. 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. : PABA


para-aminobenzoic acid

noun

  1. 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


para-aminobenzoic acid

/ părə-ə-mē′nō-bĕn-zō′ĭk,-ăm′ə- /

  1. See PABA


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Word History and Origins

Origin of para-aminobenzoic acid1

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

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paraparabasis