point group
noun Crystallography.
a class of crystals determined by a combination of their symmetry elements, all crystals left unchanged by a given set of symmetry elements being placed in the same class.
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Nearby words
- point defect,
- point duty,
- point epidemic,
- point estimate,
- point estimation,
- point guard,
- point in time,
- point lace,
- point man,
- point mutation
Origin of point group
First recorded in 1900–05
Also called symmetry class.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
point group
noun
crystallog another term for crystal class
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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