Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having or being a molecular structure that contains three closed rings.
  • noun A tricyclic antidepressant drug.

from The Century Dictionary.

  • In chem., consisting of three rings or closed chains of atoms (usually o. carbon) united together, with any other atoms united to those of such rings. See tricyclic system.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Having three rings of atoms in the molecule.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun 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

Etymologies

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Examples

  • Another group of drugs, called tricyclic antidepressants are also prescribed for migraine prevention even though they're not approved by the FDA for this purpose.

    Botox added to arsenal of treatment options for chronic migraines 2010

  • BMJ finds that an older group of drugs known as tricyclic antidepressants may sometimes be safer in people over the age of 65.

    Yahoo! News: Business - Opinion 2011

  • BMJ finds that an older group of drugs known as tricyclic antidepressants may sometimes be safer in people over the age of 65.

    Yahoo! News: Business - Opinion 2011

  • In a study of almost 15,000 people in Scotland, British researchers found that older so-called tricyclic anti-depressants, such as Norpramin made by Sanofi-Aventis, were linked with a 35 percent increased risk of developing cardiovascular disease.

    Reuters: Top News 2010

  • In a study of almost 15,000 people in Scotland, British researchers found that older so-called tricyclic anti-depressants, such as Norpramin made by Sanofi-Aventis, were linked with a 35 percent increased risk of developing cardiovascular disease.

    Yahoo! News: Business - Opinion 2010

  • Tofranil is an older medication, known as a tricyclic antidepressant, which works by making more of the neurotransmitters serotonin and norepinephrine available.

    Medlogs - Recent stories 2010

  • In a study of almost 15,000 people in Scotland, British researchers found that older so-called tricyclic anti-depressants, such as Norpramin made by Sanofi-Aventis, were linked with a 35 percent increased risk of developing cardiovascular disease.

    Yahoo! News: Business - Opinion 2010

  • In a study of almost 15,000 people in Scotland, British researchers found that older so-called tricyclic anti-depressants, such as Norpramin made by Sanofi-Aventis, were linked with a 35 percent increased risk of developing cardiovascular disease.

    Yahoo! News: Business - Opinion 2010

  • Your doctor may prescribe tricyclic analgesics, also known as tricyclic anti-depressants, for musculoskeletal pain.

    MyLinkVault Newest Links 2009

  • Also, histamine phosphate interacts negatively with other medications such as tricyclic antidepressants and beta-antagonists.

    eHow - Health How To's 2010

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