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Synonyms & antonyms
nounSynonym of nociceptin.
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Cite this entry
APA
orphanin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/orphanin
MLA
“orphanin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orphanin. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “orphanin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/orphanin.
Source: orphanin on Wiktionary, CC BY-SA 4.0.