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Webster 1913 Edition

Adj.

(Chem.)

Containing several tungsten atoms or radicals;

as,

polytungstic

acid

Polytungstic 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.

polytungstic ‎(not comparable)