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Definition of polytype in English: polytypenoun ˈpɒlɪtʌɪpˈpälēˌtīp Crystallography Any of a number of forms of a crystalline substance which differ only in one of the dimensions of the unit cell. Example sentencesExamples - Microcrystals of the following polytypes were identified: 4H, 6H, 15R, and 18R.
- Several polytypes of wurtzite were reported at the Negley and Alikanna sites.
- There are four polytypes known.
- The high-temperature polytype dickite is also present in the immediate vicinity of the thrust planes.
Derivatives adjective pɒlɪˈtɪpɪk Crystallography This procedure helped in making an unambiguous distinction of the dielectric behaviour of the polytypic crystal from that of the corresponding 4H structure. Example sentencesExamples - The most basic branched polytypic crystal that can therefore be produced using these materials is a tetrapod.
noun Crystallography Neither the concept of polytypism nor the X-ray diffraction technique was known in Domeyko's time. Example sentencesExamples - 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 US English: polytypenounˈpälēˌtīp Crystallography Any of a number of forms of a crystalline substance which differ only in one of the dimensions of the unit cell. Example sentencesExamples - 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.
- The high-temperature polytype dickite is also present in the immediate vicinity of the thrust planes.
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