Juglandin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Juglandin \Jug"lan*din\, n. [L. juglans, -andis, a walnut: cf.
     F. juglandine.] (Chem.)
     An extractive matter contained in the juice of the green
     shucks of the walnut ({Juglans regia}). It is used
     medicinally as an alterative, and also as a black hair dye.
     [1913 Webster]