carboxylic acid

noun, Chemistry
1.
any organic acid containing one or more carboxyl groups.
Origin
1900-05; carboxyl + -ic
British Dictionary definitions for carboxylic acid

carboxylic acid

/ˌkɑːbɒkˈsɪlɪk/
noun
1.
any of a class of organic acids containing the carboxyl group See also fatty acid
carboxylic acid in Science
carboxylic acid
  (kär'bŏk-sĭl'ĭk)   
An organic acid containing one or more carboxyl groups. Carboxylic acids often have names ending in -oic acid, such as benzoic acid. Amino acids, fatty acids, and many other important organic compounds are carboxylic acids.