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Dictionary

py•ro•gal•lol

Pronunciation: (pī"ru-gal'ôl, -ol, -gu-lôl', -lol'), [key]
—n.
a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C₆H₃(OH)₃, obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions. Also called py'rogal'lic ac'id.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

pyrogallate

pyrogen

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