butorphanol

English

Chemical structure of butorphanol

Etymology

From (cyclo)but(yl) +‎ -orphan (“opioid receptor antagonist/agonist”) +‎ -ol.

Pronunciation

• (General American) IPA^(key): /bjuˈtɔɹ.fəˌnɔl/

Noun

butorphanol (uncountable)

1. (pharmacology) A synthetic analgesic and antitussive opioid drug (trademark Stadol) administered in the form of its tartrate C₂₁H₂₉NO₂·C₄H₆O₆ as a nasal spray or by injection especially for the relief of pain.

Derived terms

• butorphanol tartrate

References

• “butorphanol”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.