aminobenzoic acid

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

noun

, Chemistry.

1. 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

/ əˌmaɪnəʊbɛnˈzəʊɪk; -ˌmiː- /

noun

1. 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

aminobenzoic acid

/ ə-mē′nō-bĕn-zō′ĭk,ăm′ə- /

1. 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 .

Word History and Origins

Origin of aminobenzoic acid¹

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

Example Sentences

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