pro·pran·o·lol 
(prō-prănə-lôl′, -lōl′, -lŏl′)
(prō-prănə-lôl′, -lōl′, -lŏl′)n.
A beta-blocker drug, C16H21NO2, used to treat hypertension, angina pectoris, cardiac arrhythmia, and certain kinds of tremors, and to prevent migraine headaches.
[PRO(PYL) + PR(OP)ANOL + -OL1.]