crystalline
adjective
crys·tal·line
ˈkri-stə-lən 
also -ˌlīn,
-ˌlēn
Examples of crystalline in a Sentence
we could see fish swimming beneath the crystalline ice of the frozen lake
Recent Examples on the Web
Its endless flow recycles a crystalline and immaculate sheet of waste.
—
Theo Belci, Artforum, 1 Feb. 2026
With nearly 300 days of sunshine a year, white-sand beaches, and crystalline water, Bonita Springs has all the ingredients for a perfect beach vacation.
—Carrie Honaker, Travel + Leisure, 25 Jan. 2026
Different arrangements of these hydrogen bonds can shape ice’s crystalline structure into various configurations, from a hexagonal prism to a cubic lattice to less familiar lattice systems such as rhombohedral and tetragonal.
—Meghan Bartels, Scientific American, 23 Jan. 2026
Spread over a sprawling 42 hectares, despite its infancy, the island is lush and verdant, and fringed by a sugary golden beach and lapped by the gentle waters of a crystalline lagoon.
—Condé Nast, Condé Nast Traveler, 22 Jan. 2026
See All Example Sentences for crystalline
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Theo Belci, Artforum, 1 Feb. 2026
With nearly 300 days of sunshine a year, white-sand beaches, and crystalline water, Bonita Springs has all the ingredients for a perfect beach vacation.
—Carrie Honaker, Travel + Leisure, 25 Jan. 2026
Different arrangements of these hydrogen bonds can shape ice’s crystalline structure into various configurations, from a hexagonal prism to a cubic lattice to less familiar lattice systems such as rhombohedral and tetragonal.
—Meghan Bartels, Scientific American, 23 Jan. 2026
Spread over a sprawling 42 hectares, despite its infancy, the island is lush and verdant, and fringed by a sugary golden beach and lapped by the gentle waters of a crystalline lagoon.
—Condé Nast, Condé Nast Traveler, 22 Jan. 2026
See All Example Sentences for crystalline
Cite this Entry
“Crystalline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crystalline. Accessed 4 Feb. 2026.
Copy CitationKids Definition
crystalline
adjective
crys·tal·line
ˈkris-tə-lən
1
: clear or sparkling like crystal
crystalline drops of honey
2
: made of crystal or crystals
3
: of or relating to a crystal
Medical Definition
crystalline
adjective
crys·tal·line
ˈkris-tə-lən also -ˌlīn, -ˌlēn
1
: composed of or resembling crystals
2
a
: formed by crystallization : having regular arrangement of the atoms in a space lattice see amorphous sense 2
b
: having the internal structure though not necessarily the external form of a crystal
granite is only crystalline, while quartz crystal is perfectly crystallized
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