Meanings
alternative -orph-
- medicineUsed to form names of morphinan derivates used as opioid receptor antagonists/agonists.
Origin
Contraction of morphinan.
Full word history & related roots →Cite this entry
-orphan. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/-orphan
“-orphan.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/-orphan. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “-orphan,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/-orphan.
Source: -orphan on Wiktionary, CC BY-SA 4.0.