资料来源 : Webster's Revised Unabridged Dictionary (1913)

Digitain \Dig"i*ta`in\, n. [Cf. F. digitaline.]
   (a) (Med.) Any one of several extracts of foxglove
       ({Digitalis}), as the ``French extract,'' the ``German
       extract,'' etc., which differ among themselves in
       composition and properties.
   (b) (Chem.) A supposedly distinct vegetable principle as the
       essential ingredient of the extracts. It is a white,
       crystalline substance, and is regarded as a glucoside.