[uh-mee-noh-ben-zoh-ik, am-uh-noh-, uh-mee-noh-, am-uh-noh-]
- any of three isomers having the formula C7H7NO2, derived from benzoic acid, especially the para isomer, para-aminobenzoic acid.
Origin of aminobenzoic acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- a derivative of benzoic acid existing in three isomeric forms, the para- form being used in the manufacture of dyes and sunburn preventatives. Formula: NH 2 C 6 H 4 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
- 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.
- 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.