Tungsten-trioxide
noun, Chemistry.
1.
a heavy, canary-yellow, water-insoluble powder, WO 3 , used in the manufacture of tungstates.
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adjective, Chemistry. 1. of or containing tungsten, especially in the pentavalent or hexavalent state. adjective 1. of or containing tungsten, esp in a high valence state
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noun, Chemistry. 1. a hydrate of tungsten trioxide, H 2 WO 4 ⋅H 2 O, 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. tungstic acid […]
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noun 1. a yellow or yellowish-green mineral, tungsten trioxide, WO 3 , usually occurring in a pulverulent form. noun 1. a yellow earthy rare secondary mineral that consists of tungsten oxide and occurs with tungsten ores. Formula: WO3
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