from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A poisonous alkaloid, C19H21NO3, obtained from opium. Also called paramorphine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A poisonous alkaloid, paramorphine, obtained from opium; not used in medicine.

from the GNU version of the Collaborative International Dictionary of English

  • n. A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that of strychnine.

from The Century Dictionary and Cyclopedia

  • n. An alkaloid, C19H21NO3, obtained from opium. It is a white crystalline base having an acrid taste, and analogous to strychnine in its physiological effects. Also called thebaia, paramorphine.


New Latin (herba) thēbaia, (herb of) Thebes, Egyptian opium (from Latin Thēbaea, feminine of Thēbaeus, Theban, from Thēbae, Thebes, from Greek Thēbai) + -ine2.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Injecting salutaridine yielded a five-ringed opiate called thebaine, and injecting thebaine generated three similarly structured opiates: codeine, oripavine and morphine.

    Scientific American

  • Hydrocodone or dihydrocodeinone is a semi-synthetic opioid derived from two of the naturally occurring opiates codeine and thebaine.


  • A synthetic derivative of thebaine, used as a pain reliever and local anesthetic.

    Alcohol and The Addictive Brain

  • (Tylenol with codeine, Empirin with codeine, Robitussan AC), and thebaine.

    The 1999 CIA Factbook

  • "When she came back the next morning, the thebaine was all gone," says Facchini.

    Classical Values

  • Papaver somniferum, and a mutant plant that makes the morphine precursors thebaine and oripavine but can't make morphine itself.

    Classical Values

  • The scientists dubbed the enzymes thebaine 6-O-demethylase and codeine O-demethylase.

    Classical Values

  • E. coli, put the critter in a flask with some thebaine, and left it overnight.

    Classical Values

  • Injecting thebaine resulted in codeine, morphine, and a third opiate, oripavine, being identified in the urine. - latest science and technology news stories

  • When they injected salutaridine into the mice they found thebaine, a five-ringed opiate in the urine. - latest science and technology news stories


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  • poisonous alkaloid obtained from opium.

    February 4, 2008