pyrogallol

[ pahy-ruh-gal-awl, -ol, -guh-lawl, -lol ]
/ ˌpaɪ rəˈgæl ɔl, -ɒl, -gəˈlɔl, -ˈlɒl /

noun

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 pyrogallic acid.

Origin of pyrogallol

First recorded in 1875–80; pyro- + gall(ic)2 + -ol1

OTHER WORDS FROM pyrogallol

py·ro·gal·lic [pahy-ruh-gal-ik, -gaw-lik] /ˌpaɪ rəˈgæl ɪk, -ˈgɔ lɪk/, adjective

Example sentences from the Web for pyrogallol

British Dictionary definitions for pyrogallol

pyrogallol
/ (ˌpaɪrəʊˈɡælɒl) /

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 of pyrogallol

pyrogallic, adjective

Word Origin for pyrogallol

C20: from pyro- + gall ( ic)² + -ol 1

Medical definitions for pyrogallol

pyrogallol
[ pī′rō-gălôl′, -ōl′, -gôlôl′, -lōl′ ]

n.

A white, toxic crystalline phenol used as a photographic developer and to treat certain skin diseases. pyrogallic acid