(group theory) A generalisation of direct product such that, in one of two equivalent definitions, only one of the subgroups involved is required to be a normal subgroup.

(mathematics) A formula used to find the derivatives of products of two or more functions: (f·g)'=f'·g+f·g',!

plural of inner product space

plural of product topology

plural of production model

plural of producer milk

plural of producer-only market

plural of production record

plural of burden of production

A product with supposed health benefits, such as a supplement, herbal medicine, probiotic, etc.