the·ba·ine (thē'bə-ēn', thĭ-bā'ĭn)
n.
A poisonous alkaloid, C₁₉H₂₁NO₃, obtained from opium. Also called paramorphine.

[New Latin (herba) thēbaia, (herb of) Thebes, Egyptian opium (from Latin Thēbaea, feminine of Thēbaeus, Theban , from Thēbae, Thebes , from Greek Thēbai) + -INE².]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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