tungstic acid

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noun Chemistry.

a hydrate of tungsten trioxide, H2WO4⋅H2O, used in the manufacture of tungsten-lamp filaments.

any of a group of acids derived from tungsten by the addition of acid to a soluble tungstate or to a mixture of a tungstate and a silicate, phosphate, etc.

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Origin of tungstic acid

First recorded in 1790–1800

Words nearby tungstic acid

tungsten lamp, tungsten rating, tungsten steel, tungsten trioxide, tungstic, tungstic acid, tungstite, tungstous, Tungting, tung tree, Tungus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use tungstic acid in a sentence

Tungstic acid may be got into solution after fusion with alkalies or alkaline carbonates.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
The residual tungstic acid is fixed, so that when the ammonia has been driven off it may be strongly heated without loss.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
It is weighed when cold, and is the trioxide or "tungstic acid" (WO3), which contains 79.31 per cent.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Next followed the discovery of tungstic acid, and in 1783 he added to his list of useful discoveries that of glycerine.
A History of Science, Volume 4(of 5)|Henry Smith Williams

“Now,” he said, when the tungstic acid had been dissolved, and he had dropped a small bar of tin into the solution.
Shadow Mountain|Dane Coolidge

British Dictionary definitions for tungstic acid

tungstic acid

noun

any of various oxyacids of tungsten obtained by neutralizing alkaline solutions of tungstates. They are often polymeric substances, typical examples being H 2 WO 4 (orthotungstic acid), H 2 W 4 O 13 (metatungstic acid), and H 10 W 12 O 14 (paratungstic acid)

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