primitive cell
minimum volume cell (a unit cell) corresponding to a single lattice point of a structure with discrete translational symmetry
en-US/ˈpɹɪmətɪv ˈsɛl/
en-GB/ˈpɹɪmɪtɪv ˈsɛl/
minimum volume cell (a unit cell) corresponding to a single lattice point of a structure with discrete translational symmetry