crystal meaning and definition

CRYSTAL noun

Definition of crystal (noun)

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
   • synonyms: crystallization
4. colorless glass made of almost pure silica
   • synonyms: lechatelierite, quartz, quartz glass, vitreous silica
5. glassware made of quartz
6. a protective cover that protects the face of a watch
   • synonyms: watch crystal, watch glass