# lattice theory

> English word · Noun

## Definitions
1. The branch of mathematics concerned with lattices (partially ordered sets).
2. A lattice model, a mathematical model based on a lattice (discrete subgroup of Rⁿ); the study of such models.
3. (A) lattice gauge theory.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lattice-theory