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.
Meaning & usage
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.
A piece of glimmering, shining mineral resembling ice or glass.
A fine type of glassware, or the material used to make it.
Crystal meth; methamphetamine hydrochloride.
A person's eye.
The glass over the dial of a watch case.
Where this word comes from
From Middle English crystal, cristal, criȝstall, representing a merger of Old English cristalla (from Latin crystallus) and Anglo-Norman cristall, Old French cristal (from Latin crystallum). The Latin is derived from Ancient Greek κρύσταλλος (krústallos, “clear ice”), from κρύος (krúos, “frost”), from Proto-Indo-European *krews- (“hard, hard outer surface, crust”).
Made of crystal.
Very clear; coherent.
"Do I make myself clear?" / "Crystal."
Where this word comes from
From Middle English crystal, cristal, criȝstall, representing a merger of Old English cristalla (from Latin crystallus) and Anglo-Norman cristall, Old French cristal (from Latin crystallum). The Latin is derived from Ancient Greek κρύσταλλος (krústallos, “clear ice”), from κρύος (krúos, “frost”), from Proto-Indo-European *krews- (“hard, hard outer surface, crust”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.