Product

Product may refer to:

Business

• Product (business), an item that ideally satisfies a market's want or need
• Product (project management), deliverable or set of deliverables that contribute to a business solution

Sciences

• Product (biology), something manufactured by an enzyme from its substrate
• Product (chemistry), a substance found when a chemical reaction ends

Mathematics

• Product (mathematics)
• Cartesian product of sets
• Wick product of random variables

In linear algebra:

• Scalar multiplication
• Matrix multiplication
• Inner product space
• Exterior product (or wedge product)
• Multiplication of vectors:
  • Dot product
  • Cross product
  • Seven-dimensional cross product
  • Triple product in vector calculus

In abstract algebra:

• Direct product
• In 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
• In ring theory:
  • Product of rings
  • Ideal (ring theory)#Ideal operations for product of ideals

In topology:

• Product topology
• In algebraic topology:
  • Cap product
  • Cup product
  • Slant product
• In homotopy theory:
  • Smash product
  • Wedge sum (or wedge product)

In category theory:

• Internal product in a monoidal category
• Product (category theory), a generalization of mathematical products

Arts and entertainment

• Product (Brand X album), 1979
• Product (De Press album), 1982
• Product (Sophie album), 2015
• Product, a three-CD compilation set by Buzzcocks
• .the .product, a notable "64K demo" by the demogroup Farbrausch