plural of natural product

(topology) The topology of the Cartesian product of two or more topological spaces which is generated from a basis whose elements are Cartesian products of open subsets of the original spaces, such that for each such Cartesian product only a finite quantity of such subsets are proper.

plural of smash product

(mathematics) For two pointed spaces (i.e. topological spaces with distinguished basepoints) X and Y, the quotient of the product space X × Y under the identifications (x, y₀) ∼ (x₀, y) for all x ∈ X and y ∈ Y; usually denoted X ∧ Y.

(physics) The simultaneous creation of a particle and its antiparticle.

plural of production line

(manufacturing) A set of sequential operations established in a factory whereby materials are put through a refining process or components are assembled to make a finished article.

(chemistry, physics) The product of the individual solubilities of the cation and anion of a salt

(mathematics) The most general bilinear operation in various contexts (as with vectors, matrices, tensors, vector spaces, algebras, topological vector spaces, modules, and so on), denoted by ⊗.

plural of tensor product