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lattice constant

noun, Crystallography
a parameter, either a measure of length or angle, that defines the size and shape of the unit cell of a crystal lattice.
Also called lattice parameter.
Origin of lattice constant
1920-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for lattice constant
  • Instead, researchers use the regular spacing between atoms in a silicon crystal, known as the lattice constant.

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