Crystal

A discrete solid where the atoms,ions or molecules are arranged in an ordered 3-dimensional structure. The regular structures have the ability to 'bend' or diffract beams of X-rays, and this aspect of crystallography is an extremely helpful tool in structure determination.

crystal

1 Natural crystalline quartz also known as rock crystal, which is usually colourless and transparent. Carved crystal was highly prized during the renaissance period. In the 19th and 20th centuries it was used for cameos and seals and was also polished or faceted for jewellery. 2 Heavy, colourless, transparent lead glass made in imitation of hardsto …...

Crystal

A crystal or crystalline solid is a solid material whose constituent atoms, molecules or ions et cetera are arranged in an ordered pattern extending in all three spatial dimensions. In addition to their microscopic structure, large crystals are usually identifiable by their macroscopic geometrical shape, consisting of flat faces with specific, cha...
Found on http://en.wikipedia.org/wiki/Crystal

Crystal

A crystalline piece of a semiconductor used in a wireless set on account of its properties of electrical conduction. Materials used include germanium, silicon, or galena.
Found on http://www.mhs.ox.ac.uk/marconi/collection/glossary.php

crystal

A mineral in which the systematic internal arrangement of atoms is outwardly reflected as a latticework of repeated three-dimensional units that form a geometric solid with a surface consisting of symmetrical planes. (see mineral properties)
Found on http://www.encyclo.co.uk/local/22290

crystal

A mineral in which the systematic internal arrangement of atoms is outwardly reflected as a latticework of repeated three-dimensional units that form a geometric solid with a surface consisting of symmetrical planes.
Found on http://www.encyclo.co.uk/local/22291

crystal

A sample of a crystalline solid that has a regular shape bound by plane surfaces (facets) that intersect at characteristic angles. The shape results from the arrangement of the substances atoms, ions, or molecules. Most crystals contain defects that can strongly affect their optical and electrical properties.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/c.shtml

crystal

a solid possessing an orderly and defining arrangement of atomic structure, influencing its physical form and optical properties
Found on http://gemologyproject.com/wiki/index.php?title=Glossary_of_Terms

crystal

(kris´tәl) a homogeneous angular solid of definite form, with systematically arranged elemental units. adj., crys´talline., adj.
Found on http://www.encyclo.co.uk/local/21001

crystal

[n] - a solid formed by the solidification of a chemical and having a highly regular atomic structure 2. [n] - a rock formed by the solidification of a substance 3. [n] - a crystalline element used as a component in various electronic devices 4. [n] - glassware made of quartz 5. [n] - a protective cover that protects the face...
Found on http://www.webdictionary.co.uk/definition.php?query=crystal

Crystal

• (n.) A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass. • (n.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each s...
Found on http://thinkexist.com/dictionary/meaning/crystal/

crystal

watch crystal noun a protective cover that protects the face of a watch
Found on http://wordnetweb.princeton.edu/perl/webwn?s=crystal

Crystal

[given name] Crystal əl is a common female given name. Other forms of Crystal include Kristal, Krystal, Kristle, Cristal, Krystle, and Kristol. It is a 19th century coinage, derived from crystal, a transparent quartz gemstone, usually colorless, that can be cut to reflect brilliant light, whose name comes from Ancient Greek κρύσταλ...
Found on http://en.wikipedia.org/wiki/Crystal_(given_name)

Crystal

Crys'tal (krĭs't a l) noun [ Middle English cristal , F. cristal , Latin crystallum crystal, ice, from Greek kry`stallos , from kry`os icy cold, frost; confer Anglo-Saxon crystalla , from Latin crystallum ; probably akin to E. ...
Found on http://www.encyclo.co.uk/webster/C/197

Crystal

Crys'tal adjective Consisting of, or like, crystal; clear; transparent; lucid; pellucid; crystalline. « Through crystal walls each little mote will peep. Shak. » « By crystal streams that murmur through the meads. Dryden. » « The crysta...
Found on http://www.encyclo.co.uk/webster/C/197

CRYSTAL

A component used to determine the operating frequency of a Radio Transmitter or Receiver The frequency or Channel of R/Cequipment can be changed by plugging in the appropriate crystals
Found on http://www.encyclo.co.uk/local/22135

Crystal

A crystalline substance which allows electric current t to pass in only one direction.
Found on http://www.superglossary.com/Glossary/Technology/Radar/

Crystal

A discrete solid where the atoms,ions or molecules are arranged in an ordered 3-dimensional structure. The regular structures have the ability to bend or diffract beams of X-rays, and this aspect of crystallography is an extremely helpful tool in struct
Found on http://www.chemicalglossary.net/definition/425-Crystal

Crystal

A glass stone or bead, usually with high lead content.
Found on http://www.daysofelegance.com/glossary.html

Crystal

A large number of objects that are all the same size and shape and are attracted to one another will tend to form repeating three-dimensional structures, instead of lying about randomly. A more complicated crystal will be formed if more than one kind of object is present. You are probably most familiar with crystals of simple covalent solids (like ...
Found on http://www.encyclo.co.uk/local/20046

Crystal

A material in which the atoms are arranged in a definite geometric pattern. These arrangements have a direct effect on the physical properties of the material. These arrangements commonly take the form of cubes, rectangular solids, hexagonal solids.....etc. Most crystals contain defects that can strongly affect their optical and electrical properti...
Found on http://www.diracdelta.co.uk/science/source/c/r/crystal/source.html

Crystal

a mineral solid with a regular atonic structure, often having a regular shape and splitting along flat, shiny surfaces.
Found on https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3451.h

Crystal

A physically homogeneous solid in which the atoms, ions, or molecules are arranged in a three-dimensional repetitive pattern.
Found on http://www.encyclo.co.uk/local/22067

Crystal

A rather modern term for the transparent cover over the dial of a watch (usually called simply ‘glass` until the late 19th century).   Plastic ‘crystals` began to appear soon after 1900 and are now often found as replacements on older watches. True rock crystal was sometimes used in very early watch
Found on http://www.encyclo.co.uk/local/20450

Crystal

a regular ordering of atoms, molecules, or ions
Found on http://www.translationdirectory.com/glossaries/glossary303.php
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