meth·yl·phen·i·date 
(mĕth′əl-fĕnĭ-dāt′, -fēnĭ-)
(mĕth′əl-fĕnĭ-dāt′, -fēnĭ-)n.
A drug, C14H19NO2, chemically related to amphetamine, that acts as a mild stimulant of the central nervous system and is used in its hydrochloride form to treat attention deficit hyperactivity disorder and narcolepsy.
[METHYL + PHEN(YL) + (PIPER)ID(INE) + (ACET)ATE.]
- hit the hay
- hit the hay/sack
- hit the high points
- hit the high points/spots
- hit the high spots
- hit the jackpot
- hit the nail on the head
- hit the road
- hit the roof
- hit the roof/ceiling
- hit the sack
- hit the sauce
- hit the spot
- hit the wall
- Hittite
- hit up
- HIV
- Hiva Oa
- hive
- hive off
- hives
- Hiwassee River
- Hizzoner
- Hkakabo Razi
- hl