crystal
adjective
1. Very clear.
- "Do I make myself clear?" / "Crystal."
noun
1. a solid formed by the solidification of a chemical and having a highly regular atomic structure
Definition categories: substance, solid
2. a crystalline element used as a component in various electronic devices
Definition categories: man–made, component, constituent, element
3. a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
Similar word(s): crystallization
Definition categories: object, rock, stone
4. colorless glass made of almost pure silica
Similar word(s): quartz
Definition categories: substance
5. glassware made of quartz
Definition categories: man–made, glassware, glasswork
6. a protective cover that protects the face of a watch
Definition categories: man–made, protection