Crystal


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crystal
n. transparent mineral (especially a type of quartz); type of clear glass

English Wikipedia - The Free EncyclopediaDownload this dictionary
Crystal
A crystal or crystalline solid is a solid material whose constituents, such as atomsmolecules or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations.

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Crystal (software)
CRYSTAL is a quantum chemistry ab initio program, designed primarily for calculations on crystals (3 dimensions), slabs (2 dimensions) and polymers (1 dimension) using translational symmetry, but it can also be used for single molecules. It is written by V.R. Saunders, R. Dovesi, C. Roetti, R. Orlando, C.M. Zicovich-Wilson, N.M. Harrison, K. Doll, B. Civalleri, I.J. Bush, Ph. D’Arco, and M. Llunell from Theoretical Chemistry Group at the University of Torino and the Computational Materials Science Group at the Daresbury Laboratory near Warrington in Cheshire, England. The current version is CRYSTAL14, released in June 2014. Earlier versions were CRYSTAL88, CRYSTAL92, CRYSTAL95, CRYSTAL98, CRYSTAL03, CRYSTAL06, and CRYSTAL09.

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WordNet 2.0Download this dictionary
crystal

Noun
1. a solid formed by the solidification of a chemical and having a highly regular atomic structure
(hypernym) solid
(hyponym) snowflake, flake
(derivation) crystallize, crystallise, crystalize, crystalise
2. a crystalline element used as a component in various electronic devices
(hypernym) component, constituent, element
(hyponym) piezoelectric crystal
(part-holonym) crystal counter
3. a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
(synonym) crystallization
(hypernym) rock, stone
(hyponym) crystallite
(derivation) crystallize, crystallise, crystalize, crystalise
4. colorless glass made of almost pure silica
(synonym) quartz glass, quartz, vitreous silica, lechatelierite
(hypernym) natural glass
(derivation) crystallize, crystallise, crystalize, crystalise
5. glassware made of quartz
(hypernym) glassware, glasswork
6. a protective cover that protects the face of a watch
(synonym) watch crystal, watch glass
(hypernym) protective covering, protective cover, protection
(part-holonym) watch, ticker


Babylon English-CzechDownload this dictionary
crystal
n. krystal; křištál; křišťálové sklo

Babylon English-PolishDownload this dictionary
crystal
Rzecz. kryształ; kryształ; kryształ