pyrogallate

American  

[pahy-ruh-gal-eyt, -gaw-leyt] / ˌpaɪ rəˈgæl eɪt, -ˈgɔ leɪt /

noun

Chemistry.

1. a salt or ether of pyrogallol.

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pyrogallate British  

/ ˌpaɪrəʊˈɡæleɪt /

noun

1. any salt or ester of pyrogallol

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Etymology

Origin of pyrogallate

First recorded in 1830–40; pyrogall(ol) + -ate ²

Example Sentences

Having examined the gases of fumaroles by means of a graduated tube, and the pyrogallate of potash, I always found that it contained less oxygen than the surrounding atmosphere.

From Project Gutenberg

To make a quantitative analysis of the carbon contained in gas, the pyrogallate of potash must be entirely removed from the burette.

From Project Gutenberg

It also combines with the metal, forming a pyrogallate—a dark brown, very non-actinic material.

From Project Gutenberg

The chemical action here is somewhat obscure, but those parts of the plates which were affected by the light are made visible, a part of the AgzBr being reduced to Ag by the affinity which sodium pyrogallate has for Br.

From Project Gutenberg