achilleine

noun
achil·​le·​ine
variants: or chiefly British achillein \ ak-​ə-​ˈlē-​ən How to pronounce achillein (audio) , ə-​ˈkil-​ē-​ How to pronounce achillein (audio) , -​ˌēn \

Medical Definition of achilleine

: a brownish red bitter alkaloid C20H38N2O15 found in plants of the genus Achillea

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