juglone Meaning, Definition & Usage

Ju"glone noun
Etymology
L. juglans the walnut + -one.
Definitions
  1. (Chem.) A yellow crystalline substance resembling quinone, extracted from green shucks of the walnut (Juglans regia); -- called also nucin. (MI11) C10H6O3. 5-hydroxy-1,4-naphthalenedione

Webster 1913