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[dij-i-tok-sin] /ˌdɪdʒ ɪˈtɒk sɪn/
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.
Origin of digitoxin
1880-85; digi(talis) + toxin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for digitoxin


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
Word Origin
from digi(talis) + toxin
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
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digitoxin in Medicine

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.
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digitoxin in Science
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.
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