Dictionary.com
definitions

amitriptyline

[am-i-trip-tuh-leen, -lahyn, -lin]
noun Pharmacology.
  1. a white crystalline powder, C20H23N, used to treat depression and enuresis.

Origin of amitriptyline

perhaps ami(no)- + trypt(ophan) + (meth)yl + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for amitriptyline

amitriptyline

noun
  1. a tricyclic antidepressant drug. Formula: C 20 H 23 N

Word Origin for amitriptyline

C20: from amino + tryptamine + methyl + -ine ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
amitriptyline in Medicine

amitriptyline

[ăm′ĭ-trĭp′tə-lēn′]
n.
  1. A tricyclic antidepressant drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.