tricyclic

tri·cy·clic (')trī-'sī-klik, -'sik-lik adj being a chemical with three usu. fused rings in the molecular structure and esp. a tricyclic antidepressant

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tri·cyc·lic (tri-sikґlik) (-siґklik) containing three fused rings or closed chains in the molecular structure; see also under antidepressant.

Medical dictionary. 2011.

Look at other dictionaries:

  • tricyclic — [trī sī′klik, trīsik′lik] adj. containing three fused rings of atoms in the molecule n. any of a major group of antidepressant drugs that have a tricyclic molecular structure …   English World dictionary

  • tricyclic — 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 • Syn: ↑tricyclic antidepressant, ↑tricyclic antidepressant drug •… …   Useful english dictionary

  • tricyclic — adjective Etymology: tri + cyclic Date: 1891 being a chemical with three usually fused rings in the molecular structure and especially a tricyclic antidepressant …   New Collegiate Dictionary

  • tricyclic — /truy suy klik, sik lik/, adj. 1. pertaining to or embodying three cycles. n. 2. Also called tricyclic antidepressant. Pharm. any of a group of pharmacologically active substances, as imipramine, that share a common three ring structure, used to… …   Universalium

  • tricyclic — /traɪˈsaɪklɪk/ (say truy suyklik) adjective 1. relating to or embodying three cycles. –noun 2. → tricyclic antidepressant …   Australian English dictionary

  • tricyclic — adjective Having three rings of atoms in the molecule; for example, anthracene. See Also: monocyclic, bicyclic, polycyclic …   Wiktionary

  • tricyclic — adj. having three rings in the molecular structure (Chemistry) …   English contemporary dictionary

  • tricyclic — [trʌɪ sʌɪklɪk] adjective Chemistry having three rings of atoms in its molecule. noun Medicine any of a class of antidepressant drugs having molecules with three fused rings …   English new terms dictionary

  • tricyclic — tri·cyclic …   English syllables

  • tricyclic — tri•cy•clic [[t]traɪˈsaɪ klɪk, ˈsɪk lɪk[/t]] adj. 1) pertaining to or embodying three cycles 2) having a three ring chemical structure 3) pha Also called tricy′clic antidepres′sant. any of a group of pharmacologically active substances that share …   From formal English to slang


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