Definition of "carboxylic" [car•box•yl•ic]

• Of, or relating to the carboxyl functional group. (adjective)

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• "Such a combination gives acid properties to a molecule and it is called a carboxylic acid group (carbon plus oxygen plus acid)."
• "Human skin oils are full of molecules called carboxylic acids."
• "The focus then shifts to a systematic presentation of the various substrates classes, namely carboxylic esters, amides and peptides, lactams and lactones, esters of inorganic acids, alkene and arene epoxides, and some miscellaneous hydrolyzable moieties."