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aurin

noun

au·​rin ˈȯr-ən How to pronounce aurin (audio)
: a poisonous red dye C19H14O3 used chiefly as an indicator and dye intermediate

called also rosolic acid

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Cite this Entry

“Aurin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aurin. Accessed 7 Dec. 2025.

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