Product may refer to:
Business
- Product (business), an item that serves as a solution to a specific consumer problem.
- Product (project management), a deliverable or set of deliverables that contribute to a business solution
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
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
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"
See also
- Production (disambiguation)