Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A crystalline substance said to be found in the root of acertain plant of the Leadwort (Plumbago) family.
A bitter, yellow, crystalline compound, present in the roots of plants of the genus Plumbago ; 5-hydroxy-2-methyl-1,4-naphthoquinone, C ₁₁ H ₈ O ₃.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
