+A **unit cell** is the smallest repeating building block that reveals the full [Crystal Structure](/wiki/crystal_structure) of a solid material. Its endless translation in three dimensions perfectly tiles space, defining the entire [Crystal Lattice](/wiki/crystal_lattice) and the arrangement of atoms within.
+## See also
+- [Crystallography](/wiki/crystallography)
+- [Bravais Lattice](/wiki/bravais_lattice)
+- [Atomic Packing](/wiki/atomic_packing)