noun Pharmacology.
a tricyclic antidepressant drug, C 1 9 H 2 1 N, used to treat depression.

1960–65; perhaps nor- + tri(cyclic) + (cyclohe)pt(ene) a chemical component + -yl + -ine2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

nortriptyline nor·trip·ty·line (nôr-trĭp'tə-lēn')
A tricyclic compound used as a tranquilizer and an antidepressant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Nortriptyline has been specifically studied for helping smokers.
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