Butorphanol Definition

byo͝o-tôrfə-nŏl
noun
A synthetic opioid drug, C21 H29 NO2 , given by injection or nasal spray in its tartrate form to treat pain and to supplement anesthesia.
American Heritage Medicine

Origin of Butorphanol

  • but(yl) (m)orph(in)an structural basis of a group of opioids dextromethorphan –ol

    From American Heritage Dictionary of the English Language, 5th Edition