Definition from Wiktionary, the free dictionary
polytype (plural polytypes)
- Any of the types involved in polytypism.
- Orthochrysotile is a polytype of chrysotile.
- A cast, or facsimile copy, of an engraved block, matter in type, etc.
- 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.
- (transitive) To produce a polytype of.
- to polytype an engraving