1868 Watts Dict. Chem. V. 915Tungstosilicic acids. 
Ibid. 917The tungstosilicates are obtained by saturating the acid with carbonates. 
1883 Science I. 489/2 Tungstoboric acid proves to be a convenient reagent for characterizing the alkaloids and peptones. 
Ibid. ,Cadmic tungstoborate. 
tungsto-
combining form 
see tungst-
see tungst-
tungsto-
Prefix
- chemistry Relating to tungsten.