tricyclic

adjective
tri·​cy·​clic | \ (ˌ)trī-ˈsī-klik How to pronounce tricyclic (audio) , -ˈsi-klik \

Definition of tricyclic

 (Entry 1 of 2)

: being a chemical with three usually fused rings in the molecular structure and especially a tricyclic antidepressant tricyclic compounds a tricyclic antidepressant drug

tricyclic

noun

Definition of tricyclic (Entry 2 of 2)

Examples of tricyclic in a Sentence

Recent Examples on the Web: Adjective According to Mayo Clinic, selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), and tricyclic antidepressants have all shown to help with cataplexy. Sarah Fielding, Health.com, 6 Dec. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tricyclic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tricyclic

Adjective

1891, in the meaning defined above

Noun

1973, in the meaning defined above

History and Etymology for tricyclic

Adjective

tri- + cyclic

Learn More About tricyclic

Time Traveler for tricyclic

Time Traveler

The first known use of tricyclic was in 1891

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Dictionary Entries Near tricyclic

tricyclene

tricyclic

tricyclic antidepressant

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Statistics for tricyclic

Last Updated

11 Dec 2021

Cite this Entry

“Tricyclic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tricyclic. Accessed 25 Jan. 2022.

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More Definitions for tricyclic

tricyclic

adjective
tri·​cy·​clic | \ (ˈ)trī-ˈsī-klik, -ˈsik-lik How to pronounce tricyclic (audio) \

Medical Definition of tricyclic

 (Entry 1 of 2)

: being a chemical with three usually fused rings in the molecular structure and especially a tricyclic antidepressant

tricyclic

noun

Medical Definition of tricyclic (Entry 2 of 2)

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