minoxidil
nounA vasodilator, C9H15N5O, administered orally for the treatment of hypertension and used topically to promote the regrowth of hair in male pattern baldness.
nounThe name of a compound used
a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness