any of various oxyacids of tungsten obtained by neutralizing alkaline solutions of tungstates. They are often polymeric substances, typical examples being H2WO4 (orthotungstic acid), H2W4O13 (metatungstic acid), and H10W12O14 (paratungstic acid)
tungstic acid in American English
any of a group of acids produced by the combination of tungstic trioxide, WO3, with water; specif., the monohydrate acid, H2WO4