1. A solid formed by the solidification of a chemical and having a highly regular atomic structure 
2. A crystalline element used as a component in various electronic devices 
3. A rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
   - crystallization 
4. Colourless glass made of almost pure silica
   - quartz glass, quartz, vitreous silica, lechatelierite 
5. Glassware made of quartz 
6. A protective cover that protects the face of a watch
   - watch crystal, watch glass

Derived forms: crystals

See also: crystallize

Type of: component, constituent, element, glassware, glasswork, natural glass, protection, protective cover, protective covering, rock, solid, stone

Part of: crystal counter, crystal detector, crystal microphone, crystal pickup, ticker, watch

Encyclopedia: Crystal, MN Crystal, Maine Crystal, Minnesota Crystal, ME Crystal Crystal, Colorado Crystal, Indiana Crystal, ND Crystal, Ontario Crystal, WI Crystal, Wisconsin Crystal, North Dakota Crystal, NM Crystal, Nevada Crystal, New Mexico

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