pyrogallic acid

pyrogallol

[pahy-ruh-gal-awl, -ol, -guh-lawl, -lol]
noun
a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (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 pyrogallic acid.


Origin:
1875–80; pyro- + gall(ic)2 + -ol1

pyrogallic [pahy-ruh-gal-ik, -gaw-lik] , adjective
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World English Dictionary
pyrogallol (ˌpaɪrəʊˈɡælɒl)
 
n
a white lustrous crystalline soluble phenol with weakly acidic properties; 1,2,3-trihydroxybenzene: used as a photographic developer and for absorbing oxygen. Formula: C6H3(OH)3
 
[C20: from pyro- + gall(ic)² +-ol1]
 
pyro'gallic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

pyrogallol py·ro·gal·lol (pī'rō-gāl'ôl', -ōl', -gô'lôl', -lōl')
n.
A white, toxic crystalline phenol used as a photographic developer and to treat certain skin diseases. Also called pyrogallic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

pyrogallic acid

an organic compound belonging to the phenol family, used as a photographic film developer and in the preparation of other chemicals

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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