para-aminobenzoic acidPronunciation: /ˌparəəˌmiːnəʊbɛnˈzəʊɪk, -əˈmʌɪnəʊ-/Definition of para-aminobenzoic acid noun [mass noun] Biochemistry a crystalline acid which is widely distributed in plant and animal tissue, and has been used to treat rickettsial infections. Chemical formula: NH2C6H4COOH para-aminobenzoic acid in other Oxford dictionaries Definition of para-aminobenzoic acid in the US English dictionary
