polytype

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English[edit]

Noun[edit]

polytype (plural polytypes)

  1. Any of the types involved in polytypism.
    Orthochrysotile is a polytype of chrysotile.
  2. A cast, or facsimile copy, of an engraved block, matter in type, etc.
    • Hansard
      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.

Verb[edit]

polytype (third-person singular simple present polytypes, present participle polytyping, simple past and past participle polytyped)

  1. (transitive) To produce a polytype of.
    to polytype an engraving