tungstic

adj

1. (not-comparable)Of or relating to tungsten, especially hexavalent tungsten.

   “Having ſubjected to experiment an oxyd hitherto little known, I mean the tungſtic oxyd, I ſoon diſcovered that it is one of the moſt valuable ſubſtances for receiving and fixing vegetable colours.”

   “The tungſtic phoſoxyd (yellow oxyd of tungſten) appears to contain light in its compoſition. It gives out phoſoxygen, and becomes blue on expoſure to ſolar light. It appears capable of combining with the alkalies, alkaline earths, &c.”

   “Thoria is introduced as thorium nitrate into the tungstic oxide before the latter is reduced by hydrogen to tungsten power.”