levallorphan
noun
lev·al·lor·phan
ˌlev-ə-ˈlȯr-ˌfan, -fən 
: a drug C19H25NO related to morphine that is used to counteract morphine poisoning
Cite this Entry
“Levallorphan.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/levallorphan. Accessed 11 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share