Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: levallorphan
  1. Drug (trade name Lorfan) that is related to morphine but that counteracts the respiratory depression produced by morphine poisoning but without affecting its analgesic effects
    - Lorfan

Derived forms: levallorphans

Type of: drug

Encyclopedia: Levallorphan