n.
Pronunciation: di- ' jäk-s ə n, - ' gäk-
Function: noun
Etymology: International Scientific Vocabulary dig- (fr. New Latin Digitalis ) + t oxin
Date: circa 1930
: a poisonous cardiotonic steroid C 41 H 64 O 14 obtained from a foxglove ( Digitalis lanata ) and used especially to treat atrial fibrillation