organic brain syndrome organicalness • organic chemistry · · · Info · Definitions · Characters · · organic brain syndrome · · Text Common · · Latin · · Scripts 22 · · Length 6 · · Syllables Definitions · · · (noun) mental abnormality resulting from disturbance of the structure or function of the brain. Synonyms: organic brain syndrome. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079