lattice constant

American  

noun

Crystallography.

1. a parameter, either a measure of length or angle, that defines the size and shape of the unit cell of a crystal lattice.

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Etymology

Origin of lattice constant

First recorded in 1920–25

Example Sentences

Specifically, they employed a silicon distorted photonic crystal with a primal lattice constant of 200 micrometers and terahertz waves.

From Science Daily

Adding a slight twist during the stacking process, or exchanging one lattice with another that has a different lattice constant, leads to moiré potentials that have a different spatial periodicity.

From Nature