Crystal Definition

krĭstəl
crystals
noun
crystals
A piece of such quartz cut in the form of an ornament.
Webster's New World
The unit cell of such a pattern.
American Heritage
A clear, transparent mineral; esp., pure quartz.
Webster's New World
A solidified form of a substance in which the atoms or molecules are arranged in a definite pattern that is repeated regularly in three dimensions: crystals tend to develop forms bounded by definitely oriented plane surfaces that are harmonious with their internal structures.
Webster's New World
A very clear, brilliant glass.
Webster's New World
Synonyms:
lechatelieritevitreous silicaquartzquartz glasscrystallizationwatch-crystalwatch-glasssymmetrically faceted substancecut-glassbrilliantsparkling gemclear quartz
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adjective
Of or composed of crystal.
Webster's New World
Like crystal; clear or transparent.
Webster's New World
Of or using a crystal.
Webster's New World
Antonyms:
foggyclouded
pronoun
A female given name.
Wiktionary

Other Word Forms of Crystal

Noun

Singular:
crystal
Plural:
crystals

Origin of Crystal

  • Old English cristal (“clear ice/mineral”), from Latin crystallum (“crystal, ice”), later reinforced from Anglo-Norman cristall, Middle French cristal, from Latin crystallum, from Ancient Greek κρύσταλλος (krustallos, “clear ice”), from κρύος (kruos, “frost”), from the Proto-Indo-European *krus-, *kru- (“hard, hard outer surface, crust”).

    From Wiktionary

  • Middle English cristal from Old French from Latin crystallum from Greek krustallos ice, crystal kreus- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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