Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
An opioid antagonist from the morphinan family.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
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
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Lorfan
Antonyms: none provided
Broader terms: drug
History
From lev- + all(yl) + -orphan (“morphinan derivate”).
