n.
Pronunciation: ˌ me-th ə l- ' fe-n ə - ˌ d ā t, - ' f ē -
Function: noun
Etymology: methyl + phen yl + piper id ine + acet ate
Date: 1956
: a mild stimulant C 14 H 19 NO 2 of the central nervous system used in the form of its hydrochloride to treat narcolepsy and hyperactivity disorders (as attention deficit disorder) in children