diagnostics diagnostic program • diagnostic technique · · · Info · Definitions · Synonyms · Characters · · diagnostics · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) the branch of medical science dealing with the classification of disease. Synonyms: nosology. · · Noun Definition 1 Synonyms · · · nosology · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074