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Having or being a molecular structure that contains three closed rings: a tricyclic molecule.
A tricyclic antidepressant drug.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) (of a chemical compound) containing three rings in the molecular structure
(Pharmacology) an antidepressant drug having a tricyclic molecular structure
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tri•cy•clic(traɪˈsaɪ klɪk, -ˈsɪk lɪk)
1. pertaining to or embodying three cycles.
2. having a three-ring chemical structure.n.
3. Also called tricy′clic antidepres′sant. any of a group of pharmacologically active substances that share a common three-ring structure, used to treat depression and cocaine abuse.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||tricyclic - an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain|
amitriptyline, amitriptyline hydrochloride, Elavil - a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications
antidepressant, antidepressant drug - any of a class of drugs used to treat depression; often have undesirable side effects
clomipramine - a tricyclic antidepressant drug
desipramine - a tricyclic antidepressant drug that activates the psychomotor system
Adapin, doxepin, doxepin hydrochloride, Sinequan - a tricyclic antidepressant (trade names Adapin and Sinequan) with numerous side effects (dry mouth and sedation and gastrointestinal disturbances)
Imavate, imipramine, impramine hydrochloride, Tofranil - a tricyclic antidepressant (trade names Imavate and Tofranil) used to treat clinical depression
nortriptyline, Pamelor - a tricyclic antidepressant drug (trade name Pamelor) used along with psychotherapy to treat dysthymic depression; may interact dangerously if taken with other drugs
protriptyline - tricyclic antidepressant used to treat clinical depression
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