Pyroborate


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Pyr`o`bo´rate


n.1.(Chem.) A salt of pyroboric acid.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Thus, five basic structural units are usually distinguished in borates according to the coordination number of the boron atoms and to the number of BOs and NBOs belonging to the given boron atom: [B.sub.3][0.sub.3] symmetric triangle ([empty set] is BO), [[B[[empty set].sub.4]].sup.-] borate tetrahedron, B[[empty set].sub.2][O.sup.-] metaborate triangle, B[empty set][O.sub.2.sup.2-] pyroborate unit, and B[O.sub.3.sup.3-] orthoborate anion.
The manganese pyroborate sussexite was collected at the Gambatesa mine a few times, as pink to violet acicular crystals up to I cm long.
Furuhata, "Domains in magnesium pyroborates," Physica Status Solidi A, vol.