Word Study
juglone
CIDE DICTIONARY
juglone, n. [L. juglans the walnut + -one.].
A yellow crystalline substance (C10H6O3 ) resembling quinone, extracted from green shucks of the walnut (Juglans regia ); -- called also nucin . Chemically, it is 5-hydroxy-1,4-naphthalenedione . [1913 Webster]
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