Definitions

1. noun

A solid substance, typically of glass, rock, or ice, with a high refractive index and often highly transparent.

“She gazed at the crystal formations in the cave.”

2. noun

A fragment of a mineral, especially one that has been cut and polished.

“The gemstone was a beautiful crystal that sparkled on her finger.”

3. noun

A clear or coherent expression of an idea or thought.

“The poet’s crystal words captured the beauty of nature.”

4. adjective

Transparent and clear in appearance, often due to a high refractive index.

“The crystal waters of the lake were perfect for swimming.”