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snow crystal

a crystal of ice sufficiently heavy to fall from the atmosphere.
Compare snowflake.
Origin of snow crystal
1865-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for snow crystal
  • snow crystal imaging using scanning electron microscopy.
  • The amount of water in the snow varies because of the difference in snow crystal structure.
  • Low-temperature scanning electron microscopy of snow crystal metamorphism in winter snow covers.
  • The shape of the snow crystal is determined by the temperature in the cloud.
  • The two qualities of the snow crystal--branching and symmetry--can be explained by two different aspects of crystal growth.

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