hypericin

noun

hy·​per·​i·​cin hī-ˈper-ə-sən How to pronounce hypericin (audio)
: a violet crystalline pigment C30H16O8 from Saint-John's-wort that has a red fluorescence and causes hypericism

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Cite this Entry

“Hypericin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hypericin. Accessed 5 Nov. 2024.

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