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Dictionary

tung'stic ac'id

Chem.
1. a hydrate of tungsten trioxide, H₂WO₄·H₂O, used in the manufacture of tungsten-lamp filaments.
2. 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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

tungstic

tungstite

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