noun
: an acid containing hexavalent tellurium: as
a. : a very weak acid H 6 TeO 6 that is a good oxidizing agent and is obtainable in two crystalline forms and as a tetrahydrate by oxidizing tellurium or tellurium dioxide — called also orthotelluric acid
b. : a polymerized acid (H 2 TeO 4 ) n obtainable in a syrupy mixture by heating orthotelluric acid; poly-meta-telluric acid — allo-telluric acid