adj of or pertaining to polytypes; obtained by polytyping; as, a polytype plate.
2. polytype ·vt to produce a polytype of; as, to polytype an engraving.
3. polytype ·add. ·noun a cast, or facsimile copy, of an engraved block, matter in type, ·etc.
4. polytype ·add. ·vt to produce a polytype of; as, to polytype an engraving.
5. polytype ·noun a cast, or facsimile copy, of an engraved block, matter in type, ·etc. (see citation); as, a polytype in relief.