ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. | levallorphan - drug (trade name Lorfan) that is related to morphine but that counteracts the respiratory depression produced by morphine poisoning but without affecting its analgesic effectsdrug - a substance that is used as a medicine or narcotic |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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