Bravais lattice
Noun
Meaning
a 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal
Source: WordNetSynonyms
Hypernyms
Examples
Haüy's study led to the correct idea that crystals are a regular three-dimensional array (a Bravais lattice ) of atoms and molecules ; a single unit cell is repeated indefinitely along three principal directions that are not necessarily perpendicular.