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pyronine

[ pahy-ruh-neen ]
/ ˈpaɪ rəˌnin /
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noun Histology.
a xanthine dye used for detecting the presence of RNA.
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Origin of pyronine

First recorded in 1890–95, pyronine is from the German word Pyronin, originally a trademark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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