pyrogallol
Americannoun
noun
Other Word Forms
Derived Forms
Etymology
Origin of pyrogallol
First recorded in 1875–80; pyro- + gall(ic) 2 + -ol 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When ozone is bubbled through a dilute pyrogallol solution, the liquid glows brightly though no heat is evolved.
From Time Magazine Archive
The class of tanning materials which produce the most suitable leather for this particular purpose belong to the pyrogallol group, of which a well known and important example is sumach.
From Bookbinding, and the Care of Books A handbook for Amateurs, Bookbinders & Librarians by Rooke, Noel
The tannins are divided into two general classes, known respectively as the pyrogallol tannins and the catechol tannins.
From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred
It exhibits all the characteristic properties which have been listed above for tannins in general and responds to all the characteristic reactions of a pyrogallol tannin.
From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred
Newton employs it in combination with pyrogallol and soda in the development of bromo-gelatine plates.
From Scientific American Supplement, No. 483, April 4, 1885 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
