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Related to unit cell: space lattice
The smallest building block of a crystal, consisting of atoms, ions, or molecules, whose geometric arrangement defines a crystal's characteristic symmetry and whose repetition in space produces a crystal lattice.
(Chemistry) crystallog the smallest group of atoms, ions, or molecules that is characteristic of a particular crystal lattice
the simplest unit of a regular crystal lattice.
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|Noun||1.||unit cell - the smallest group of atoms or molecules whose repetition at regular intervals in three dimensions produces the lattices of a crystal|