circa 1894, in the meaning defined above
probably borrowed from German Xanthon, from xanth- (in Xanthen xanthene) + -on -one
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Cite this Entry
“Xanthone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xanthone. Accessed 8 Aug. 2022.
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