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Noun: crystal  kris-t(u)l
  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

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 mike, crystal pickup, ticker [informal], watch

Encyclopedia: Crystal, NV