/dij'i tok"sin/ , n. Pharm.
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 ]