Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • 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

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 196.5 pounds 2.2 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ