CRYSTAL

Definition of CRYSTAL

  1. (noun)a solid formed by the solidification of a chemical and having a highly regular atomic structure
  2. (noun)a crystalline element used as a component in various electronic devices
  3. (noun)a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
  4. (noun)colorless glass made of almost pure silica
  5. (noun)glassware made of quartz
  6. (noun)a protective cover that protects the face of a watch