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Webster 1913 Edition
Polytungstic
Polˊy-tung′stic
,Adj.
(Chem.)
Containing several tungsten atoms or radicals;
as,
. polytungstic
acidPolytungstic acid
(Chem.)
, any one of several complex acids of tungsten containing more than one atom of tungsten.
By pressing the wood cut into semifluid metal, an intaglio matrix is produced: and from this matrix, in a similar way, a
polytype
in relief is obtained. Hansard.