Crystal - Definition
crystal
n 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
[syn: crystal, crystallization]
4: colorless glass made of almost pure silica [syn: quartz
glass, quartz, vitreous silica, lechatelierite,
crystal]
5: glassware made of quartz
6: a protective cover that protects the face of a watch [syn:
crystal, watch crystal, watch glass]