Definition of polytype in English:


Syllabification: pol·y·type
Pronunciation: /ˈpälēˌtīp


Any of a number of forms of a crystalline substance that differ in only one of the dimensions of the unit cell.
More example sentences
  • There are four polytypes known.
  • Microcrystals of the following polytypes were identified: 4H, 6H, 15R, and 18R.
  • Several polytypes of wurtzite were reported at the Negley and Alikanna sites.



Pronunciation: /ˌpäliˈtipik/
More example sentences
  • This procedure helped in making an unambiguous distinction of the dielectric behaviour of the polytypic crystal from that of the corresponding 4H structure.
  • The most basic branched polytypic crystal that can therefore be produced using these materials is a tetrapod.


Pronunciation: /ˌpäliˈtīˌpizəm/
More example sentences
  • Neither the concept of polytypism nor the X-ray diffraction technique was known in Domeyko's time.
  • Polytypism is a type of polymorphism wherein different polymorphs exist in different domains of the same crystal.
  • The polytypism in graphite manifests itself in two ways.

Definition of polytype in:

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