(linear algebra) A generalization of the dot product for vectors of any dimensionality that may or may not be complex-numbered.

(mathematics) A group formed from others by concatenating their presentations (when those presentations are written with disjoint sets of generators).

(economics) A resource used to produce goods and services, such as labor, land, or capital.

(economics, Marxism) The combination of the means of labor, such as machines, tools, and equipment, and the subject of labor used by workers to make products.

(marketing) A form of advertising where a brand or product is incorporated into non-advertising media such as films.

plural of production value / (film, performing arts) The combined technical qualities of the methods, materials, or stagecraft skills used in the production of a motion picture or artistic performance.

(film, performing arts) A method, material, or stagecraft skill used in the production of a motion picture or artistic performance; the technical quality of such a method, material, or skill.

(mathematics) The limit of two (or more) objects, considered without regard to any arrows between them.

Any foodstuff made from milk, such as cheese or yogurt.

plural of product differentiation