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)

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

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Time Traveler for tricyclic

Time Traveler

The first known use of tricyclic was in 1891

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Cite this Entry

“Tricyclic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tricyclic. Accessed 16 Jan. 2021.

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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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