1
: quartz that is transparent or nearly so and that is either colorless or only slightly tinged
2
: something resembling crystal in transparency and colorlessness
3
: a body that is formed by the solidification of a chemical element, a compound, or a mixture and has a regularly repeating internal arrangement of its atoms and often external plane faces
4
: a clear colorless glass of superior quality
also
: objects or ware of such glass
5
: the glass or transparent plastic cover over a watch or clock dial
6
: a crystalline material used in electronics as a frequency-determining element or for rectification
7
: crystal meth
broadly
: methamphetamine in any form when used illicitly
Synonyms
Examples of crystal in a Sentence
Noun
the crystal structure of minerals
a necklace made of crystal
Some of the crystals used in the necklace are a pale pink color.
The wine glasses are made of the finest crystal.
She inherited her mother's crystal.
Adjective
an unspoiled region with majestic mountains and crystal streams
Recent Examples on the Web
Hikmat Mohammed, WWD, 4 Nov. 2024
Fill a tree with crystal or metallic ornaments; the shimmering accents embody the serenity of falling snow.
—Isabella Milano, Better Homes & Gardens, 4 Nov. 2024
Chloe Castleberry, StyleCaster, 5 Nov. 2024
From crystal fringe in Paris and eyelets in Milan to patchwork in London and burnished gold finishes in New York, snazzy denim is undeniably back.
—Joy Montgomery, Glamour, 10 Oct. 2024
See all Example Sentences for crystal 
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Noun
Both brands share a penchant for maximalism and don’t shy away from the use of crystals, leather, suede, feathers or velvet.
—Hikmat Mohammed, WWD, 4 Nov. 2024
Fill a tree with crystal or metallic ornaments; the shimmering accents embody the serenity of falling snow.
—Isabella Milano, Better Homes & Gardens, 4 Nov. 2024
Adjective
Best Gift for Moms Lismore Christmas Bauble Ornament $200.00 Buy Now
Lismore, the most iconic and distinguished of the Waterford patterns, is carefully cut into this crystal bauble ornament.
—Chloe Castleberry, StyleCaster, 5 Nov. 2024
From crystal fringe in Paris and eyelets in Milan to patchwork in London and burnished gold finishes in New York, snazzy denim is undeniably back.
—Joy Montgomery, Glamour, 10 Oct. 2024
See all Example Sentences for crystal
Dictionary Entries Near crystal
Cite this Entry
“Crystal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crystal. Accessed 22 Nov. 2024.
Copy CitationKids Definition
crystal
1 of 2 noun
crys·tal
ˈkris-tᵊl 
1
: a quartz that is transparent or nearly so
2
: something transparent like crystal
3
: a solid form of a substance or mixture that has a regularly repeating internal arrangement of its atoms and often external plane faces
a crystal of quartz
a snow crystal
a salt crystal
4
: a clear colorless glass of very good quality
also
: things made of this glass
5
: the transparent cover over a watch or clock dial
crystal
2 of 2 adjective1
: made of or resembling crystal
2
: using a crystal as a detector
a crystal radio receiver
Medical Definition
crystal
noun
crys·tal
ˈkris-tᵊl
1
: a body that is formed by the solidification of a chemical element, a compound, or a mixture and has a regularly repeating internal arrangement of its atoms and often external plane faces
2
: crystal meth
broadly
: methamphetamine in any form when used illicitly
crystal
adjective
Geographical Definition
Crystal
geographical name
Crys·tal
ˈkri-stᵊl
city in southeastern Minnesota north of Minneapolis population 22,151
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