tricyclic
/trʌɪˈsʌɪklɪk
/adjective Chemistry
(Of a compound) having three rings of atoms in its molecule.Quinacrine is a planar tricyclic compound with structural similarities to DMMB, yet it does not absorb red light....
- In addition, all methyl sulfone containing compounds in the tricyclic class are very poorly bioavailable.
- Clomipramine was equal to desipramine and both tricyclic agents were superior to placebo for amelioration of hyperactivity.
noun (usually tricyclics) Medicine
Any of a class of antidepressant drugs having molecules with three fused rings.However inspection of comparative studies in fall risk between SSRIs and tricyclics suggest these two antidepressant classes exhibit similar risks of fall....
- Over half of the prescriptions were for the class antidepressants known as tricyclics, while four out of 10 were for SSRIs.
- The most commonly prescribed antidepressant medications include the tricyclics and selective serotonin reuptake inhibitors.
Origin
Late 19th century: from tri- 'three' + Greek kuklos 'circle' + -ic.