Definition of crystal system in English:

crystal system

Syllabification: crys·tal sys·tem

noun

  • Each of seven categories of crystals (cubic, tetragonal, orthorhombic, trigonal, hexagonal, monoclinic, and triclinic) classified according to the possible relations of the crystal axes.
    More example sentences
    • Each mineral is carefully assigned a ‘Dana’ number followed by the accepted name, chemical formula, crystal system, and space group.
    • All of the forms in the isometric crystal system completely enclose space, making them regular geometric solids.
    • Fundamental text for each mineral includes such information as varieties and colors, crystal system and mineral group, composition, characteristic identifying features, size, and distribution.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody