Definition of tricyclic in English:
tricyclic
adjective trʌɪˈsʌɪklɪktrīˈsīklik
Chemistry (of a compound) having three rings of atoms in its molecule.
Example sentencesExamples
- In addition to monocyclic shoots, there are also bicyclic ones, and on the branches in the canopy top there are even tricyclic vegetative shoots.
- 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.
- The danger of precipitating mania is reported to be greatest with tricyclic agents.
- Clomipramine was equal to desipramine and both tricyclic agents were superior to placebo for amelioration of hyperactivity.
noun trʌɪˈsʌɪklɪktrīˈsīklik
usually tricyclicsMedicine Any of a class of antidepressant drugs having molecules with three fused rings.
Example sentencesExamples
- 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.
- Their effect on blood pressure can be worsened by taking them along with certain antidepressants, such as tricyclics.
- The most commonly prescribed antidepressant medications include the tricyclics and selective serotonin reuptake inhibitors.
- There are several new antidepressants which work in a different way from SSRIs and tricyclics.
Origin
Late 19th century: from tri- 'three' + Greek kuklos 'circle' + -ic.