diacetylnalorphineEtymologyFrom diacetyl + nalorphine.diacetylnalorphine means An opioid drug, the 3,6-diacetyl ester of nalorphine. Lexicurio rates it Rare gem — a strength score of 82 out of 100.nounAn opioid drug, the 3,6-diacetyl ester of nalorphine.