noun Pharmacology.
  1. a potent peripheral vasodilator, C23H27N, used in the treatment of severe hypertension, also applied topically to promote hair growth in some types of baldness.

Origin of minoxidil

(a)min(o)- + oxy-2 + (piper)idi(ny)l, a chemical component; see piperidine, -yl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018