noun Pharmacology.
a white, crystalline, water-insoluble cardiac glycoside, C 41 H 64 O 13 , or a mixture of cardiac glycosides of which this is the chief constituent, obtained from digitalis and used in the treatment of congestive heart failure.

1880–85; digi(talis) + toxin

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To digitoxin
World English Dictionary
digitoxin (ˌdɪdʒɪˈtɒksɪn)
a white toxic bitter-tasting glycoside, extracted from the leaves of the purple foxglove (Digitalis purpurea) and used in the treatment of heart failure and some abnormal heart rhythms. Formula: C41H64O13
[from digi(talis) + toxin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

digitoxin dig·i·tox·in (dĭj'ĭ-tŏk'sĭn)
A secondary cardioactive glycoside that is derived from and similar in effect to digitalis but that is more completely absorbed from the gastrointestinal tract.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
digitoxin   (dĭj'ĭ-tŏk'sĭn)  Pronunciation Key 
A highly active glycoside derived from digitalis and prescribed in the treatment of certain cardiac conditions. Chemical formula: C41H64O13.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Digitoxin is a medication used to treat a variety of heart conditions.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature