Lattice (discrete subgroup)
WordNet
noun
(1) Framework consisting of an ornamental design made of strips of wood or metal
(2) Small opening (like a window in a door) through which business can be transacted
(3) An arrangement of points or particles or objects in a regular periodic pattern in 2 or 3 dimensions
WiktionaryText
English
Etymology
From Middle English < Middle French < < .
Noun
- A flat panel constructed with widely-spaced crossed thin strips of wood or other material. It is commonly used as a garden trellis.
- a regular spacing or arrangement of geometric points, often decorated with a motif.
- A partially ordered set in which every pair of elements has a unique supremum and an infimum.
- A discrete subgroup of Rn which spans the real vector space Rn.