ritalin rita • ritardando · · · Info · Definitions · Synonyms · Characters · · ritalin · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children. Synonyms: methylphenidate, Ritalin. · · Noun Definition 1 Synonyms · · · methylphenidate · · Synonym 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074