pro·​to·​pine ˈprōt-ə-ˌpēn How to pronounce protopine (audio)
: a crystalline alkaloid C20H19NO5 found in small quantities in opium and in many plants of the poppy family

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Cite this Entry

“Protopine.” Medical Dictionary, Merriam-Webster, Accessed 15 Apr. 2024.

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