plumbagin

noun
plum·​ba·​gin | \ ˌpləm-ˈbā-jən How to pronounce plumbagin (audio) \

Medical Definition of plumbagin

: a yellow crystalline phenolic compound C11H8O3 with antibacterial and medicinal properties that occurs especially in the roots of shrubs (genus Plumbago) of the legume family

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