Product

Product may refer to:

Business

 * Product (business), an item that can be offered to a market to satisfy the desire or need of a customer.
 * Product (project management), a deliverable or set of deliverables that contribute to a business solution

Mathematics

 * Product (mathematics)

Algebra

 * Direct product

Set theory

 * Cartesian product of sets

Group theory

 * Direct product of groups
 * Semidirect product
 * Product of group subsets
 * Wreath product
 * Free product
 * Zappa–Szép product (or knit product), a generalization of the direct and semidirect products

Ring theory

 * Product of rings
 * Ideal operations, for product of ideals

Linear algebra

 * Scalar multiplication
 * Matrix multiplication
 * Inner product, on an inner product space
 * Exterior product or wedge product
 * Multiplication of vectors:
 * Dot product
 * Cross product
 * Seven-dimensional cross product
 * Triple product, in vector calculus
 * Tensor product

Topology

 * Product topology

Algebraic topology

 * Cap product
 * Cup product
 * Slant product

Homotopy theory

 * Smash product
 * Wedge sum (or wedge product)

Category theory

 * Internal product, in a monoidal category
 * Product (category theory), a generalization of mathematical products
 * Fibre product or pullback
 * Coproduct or pushout

Probability theory

 * Wick product of random variables

Graph theory

 * Graph product

Music

 * Product (Brand X album), 1979
 * Product (De Press album), 1982
 * Product (Sophie album), 2015
 * Product, a three-CD compilation set by Buzzcocks

Other uses

 * Product (chemistry), the species formed from chemical reactions
 * Hairstyling product, such as hairspray or hair gel, generally referred to as simply "product"