Refinement

Refinement may refer to:

Mathematics

 * Equilibrium refinement, the identification of actualized equilibria in game theory
 * Refinement of an equivalence relation, in mathematics
 * Refinement (topology), the refinement of an open cover in mathematical topology
 * Refinement (category theory)

Other uses

 * Refinement (computing), computer science approaches for designing correct computer programs and enabling their formal verification
 * Refining, a process of purification
 * Refining (metallurgy)
 * Refinement (culture), a quality of cultural sophistication
 * Refinement (horse), a racehorse ridden by jockey Tony McCoy