Dictionary.com
Thesaurus.com

monocarboxylic

American  
[mon-uh-kahr-bok-sil-ik] / ˌmɒn əˌkɑr bɒkˈsɪl ɪk /

adjective

Chemistry.
  1. containing one carboxyl group.


Etymology

Origin of monocarboxylic

First recorded in 1905–10; mono- + carboxyl + -ic