crystal
A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.
Other meanings
A piece of glimmering, shining mineral resembling ice or glass.
A fine type of glassware, or the material used to make it.
Example sentences
Word history
From Ancient Greek "κρύσταλλος" (clear ice).
Where this comes from
This definition is adapted from “crystal” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.