ˌmethəlˈfenəˌdāt, -ˈfēn- noun
( -s )
Etymology: methyl + phen yl + piper id ine + acet ate
: a mild stimulant C 14 H 19 NO 2 of the central nervous system that is an analogue of amphetamine and is used in the form of its hydrochloride to treat narcolepsy and hyperactivity disorders (as attention deficit disorder) in children — see Ritalin herein