Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

tricyclic antidepressant

noun

Definition of tricyclic antidepressant

  1. :  any of a group of antidepressant drugs (as imipramine and amitriptyline) that contain three fused benzene rings, potentiate the action of catecholamines (as norepinephrine and serotonin) by inhibiting their uptake by nerve endings, and do not inhibit the action of monoamine oxidase —called also tricyclic



1966

First Known Use of tricyclic antidepressant

1966


Medical Dictionary

tricyclic antidepressant

noun

Medical Definition of tricyclic antidepressant

  1. :  any of a group of antidepressant drugs (as imipramine, amitriptyline, desipramine, and nortriptyline) that contain three fused benzene rings, that potentiate the action of catecholamines (as norepinephrine and serotonin) by inhibiting their uptake by nerve endings, and that do not inhibit the action of monoamine oxidase




Learn More about tricyclic antidepressant


Seen and Heard

What made you want to look up tricyclic antidepressant? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a representation of something

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

frenetic lazy melancholy philistine
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ