Definitions

1. noun

A solid substance with a regular arrangement of atoms, typically occurring naturally or formed synthetically, often used for its transparency or other optical properties.

“The scientist studied the crystal structure of the mineral.”

2. verb

To form or cause to form a crystal.

“The solution will crystal slowly over the next few hours.”

3. adjective

Requiring or having a high degree of clarity or transparency.

“The crystal-clear water was perfect for swimming.”