clon·i·dine (klŏn'ĭ-dēn', klō'nĭ-)
n.
A synthetic drug, C₉H₉Cl₂N₃, used in the treatment of hypertension, the prevention of migraine headaches, and the management of Tourette's syndrome and opiate withdrawal.

[C(H)LO(RO)- + (A)NI(LINE) + (IMI)D(E) + -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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