(noun, adjective)


1. Very clear.

- "Do I make myself clear?" / "Crystal."


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