Dictionary.com

pyrogallol

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

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.

QUIZZES

QUIZ YOURSELF ON "EVOKE" VS. "INVOKE"!

Call upon your favorite grammar inspirations to tackle this quiz on the differences and uses of "evoke" and "invoke."
Question 1 of 7
“Evoke” and “invoke” both derive from the same Latin root “vocāre.”

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pyrogallol in a sentence

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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