The result of multiplying two or more numbers, functions (seepointwise multiplication), matrices (seemultiplication (of matrices)), or elements in a multiplicative group or ring. See alsoinfinite product, product notation.
Chemistry
Seechemical reaction.
Chemical Engineering
A chemical substance formed as the output from a process or unit operation that has undergone chemical, physical, or biological change.
Economics
What is produced, by an individual firm, an industry, or the economy as a whole. See alsogross domestic product; marginal product; national product; product differentiation; product innovation; product life cycle; staple product.