Polytype
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A cast, or facsimile copy, of an engraved block, matter intype, etc. (see citation); as, a polytype in relief.By pressing the wood cut into semifluid metal, an intaglio matrix isproduced: and from this matrix, in a similar way, a polytype inrelief is obtained. Hansard.
Polytype meaning & definition 1 of Polytype.
