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
digitoxin in American English
(ˌdɪdʒɪˈtɑksɪn)
noun
a glycoside, C41H64O13, extracted from digitalis leaves, like digitalis in physiological action, but more potent