thebaine

[ thee-buh-een, thi-bey-een, -in ]
/ ˈθi bəˌin, θɪˈbeɪ in, -ɪn /

noun Chemistry.

a white, crystalline, slightly water-soluble, poisonous alkaloid, C19H21NO3, present in opium in small quantities, but having a strychninelike rather than a narcotic effect.

Origin of thebaine

1890–95; < New Latin thēba(ia) opium of Thebes, Egypt (alteration of Latin Thēbaea, feminine of Thēbaeus Theban) + -ine2

British Dictionary definitions for thebaine

thebaine
/ (ˈθiːbəˌiːn, θɪˈbeɪiːn, -aɪn) /

noun

a poisonous white crystalline alkaloid, found in opium but without opioid actions. Formula: C 19 H 21 NO 3 Also called: paramorphine

Word Origin for thebaine

C19: from New Latin thebaia opium of Thebes (with reference to Egypt as a chief source of opium) + -ine ²

Medical definitions for thebaine

thebaine
[ thēbə-ēn′, thĭ-bāĭn ]

n.

A poisonous crystalline alkaloid obtained from opium. paramorphine