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py·ro·gal·lic acid(pī′rō-găl′ĭk, -gô′lĭk)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||pyrogallic acid - a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer|
phenol - any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
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