The Collaborative International Dictionary of English v.0.48:
Tungstate \Tung"state\ (t[u^]ng"st[asl]t), n. [Cf. F. tungstate.] (Chem.) A salt of tungstic acid; a wolframate. [1913 Webster]WordNet (r) 3.0 (2006):
tungstate n 1: a salt of tungstic acid