pyrogallol [pahy-r uh- gal-awl, -ol, -g uh- lawl, - lol] EXAMPLES | WORD ORIGIN noun a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6H 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.
pyrogallic acid. Related forms py·ro·gal·lic , [pahy-r uh- gal-ik, - gaw-lik] /ˌpaɪ rəˈgæl ɪk, -ˈgɔ lɪk/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pyrogallol Historical Examples of pyrogallol
Tanning materials are divided into two main classes:
Sumach is the other
pyrogallol tan of commercial importance.
pyrogallol method of Preisz also proved to be unreliable in his hands.
The light from ozone acting on
pyrogallol solution is especially bright under certain conditions.
This is especially well seen in the action of various oxidizers on
pyrogallol and H2O2 recorded in Table 10. British Dictionary definitions for pyrogallol noun a white lustrous crystalline soluble phenol with weakly acidic properties; 1,2,3-trihydroxybenzene: used as a photographic developer and for absorbing oxygen. Formula: C 6 H 3 (OH) 3 Derived Forms pyrogallic, adjective Word Origin for pyrogallol
pyro- + gall ( ic)² + -ol 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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pyrogallol [pī′rō-găl ′ôl′, -ōl′, -gô ′lôl′, -lōl′] n. A white, toxic crystalline phenol used as a photographic developer and to treat certain skin diseases. pyrogallic acid
The American Heritage® Stedman's Medical Dictionary
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