aminobenzoic acid

American

[uh-mee-noh-ben-zoh-ik, am-uh-noh-, uh-mee-noh-, am-uh-noh-] / əˈmi noʊ bɛnˈzoʊ ɪk, ˈæm əˌnoʊ-, əˌmi noʊ-, ˌæm ə noʊ- /

noun

Chemistry.

any of three isomers having the formula C 7 H 7 NO 2 , derived from benzoic acid, especially the para isomer, para-aminobenzoic acid.

aminobenzoic acid British

/ əˌmaɪnəʊbɛnˈzəʊɪk, -ˌmiː- /

noun

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

aminobenzoic acid Scientific

/ ə-mē′nō-bĕn-zō′ĭk,ăm′ə- /

Any of three organic acids consisting of benzoic acid with an amino group (NH ₂) attached, especially PABA. Chemical formula: C ₇ H ₇ NO ₂ .

Etymology

Origin of aminobenzoic acid

First recorded in 1900–05; amino- + benzoic acid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By eliminating the hydroxy groups in these acids the same nitrobenzoic acid is obtained, which yields on reduction an aminobenzoic acid different from the starting-out acid.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023