**Lattice** — Lat tice, v. i. [imp. & p. p. {Latticed}; p. pr. & vb. n. {Latticing}.] 1. To make a lattice of; as, to lattice timbers. [1913 Webster] 2. To close, as an opening, with latticework; to furnish with a lattice; as, to lattice a window. [1913… … The Collaborative International Dictionary of English

**Lattice gas automaton** — Lattice gas automata (LGA) or lattice gas cellular automata (LGCA) methods are a series of cellular automata methods used to simulate fluid flows. It was the precursor to the lattice Boltzmann methods. From the LGCA, it is possible to derive the… … Wikipedia

**Lattice mast** — Lattice masts, or cage masts, are a type of observation mast common on major warships in the early 20th century. They were used most prominently on American dreadnought battleships and armored cruisers of the World War I era.Use in the US NavyThe … Wikipedia

**Lattice (group)** — A lattice in the Euclidean plane. In mathematics, especially in geometry and group theory, a lattice in Rn is a discrete subgroup of Rn which spans the real vector space Rn. Every lattice in Rn … Wikipedia

**Lattice problem** — In computer science, lattice problems are a class of optimization problems on lattices. The conjectured intractability of such problems is central to construction of secure lattice based cryptosystems. For applications in such cryptosystems,… … Wikipedia

**Lattice steel pylon** — A lattice steel pylon is an electricity pylon consisting of a steel framework construction. Lattice steel pylons are used for powerlines of all voltages. For lines with operating voltages over 50kV, lattice steel pylons are the form of pylon used … Wikipedia

**Lattice bridge** — Bridge Bridge (br[i^]j), n. [OE. brig, brigge, brug, brugge, AS. brycg, bricg; akin to Fries. bregge, D. brug, OHG. brucca, G. br[ u]cke, Icel. bryggja pier, bridge, Sw. brygga, Dan. brygge, and prob. Icel. br[=u] bridge, Sw. & Dan. bro bridge,… … The Collaborative International Dictionary of English

**Lattice girder** — Girder Gird er, n. [From {Gird} to encircle.] [1913 Webster] 1. One who, or that which, girds. [1913 Webster] 2. (Arch. & Engin.) A main beam; a stright, horizontal beam to span an opening or carry weight, such as ends of floor beams, etc.; hence … The Collaborative International Dictionary of English

**Unimodular lattice** — In mathematics, a unimodular lattice is a lattice of discriminant 1 or −1.The E 8 lattice and the Leech lattice are two famous examples. Definitions *A lattice is a free abelian group of finite rank with an integral symmetric bilinear form (·,·) … Wikipedia

**E₈ lattice** — In mathematics, the E8 lattice is a special lattice in R8. It can be characterized as the unique positive definite, even, unimodular lattice of rank 8. The name derives from the fact that it is the root lattice of the E8 root system. The normIn… … Wikipedia