Akademik

1. Anything produced or made, either naturally or artificially. 2. In mathematics, the result of multiplication. [L. productus, fr. pro-duco, pp. -ductus, to lead forth]

- cleavage p. a substance resulting from the splitting of a molecule into two or more simpler molecules.

- double p. the p. of systolic blood pressure multiplied by the heart frequency; a measure of heart work load. See Robinson index.

- end p. the final p. in a metabolic pathway.

- fibrin/fibrinogen degradation products (FDP) several poorly characterized small peptides, designated X, Y, D, and E, that result following the action of plasmin on fibrinogen and fibrin in the fibrinolytic process.

- fission p. an atomic species produced in the course of the fission of a larger atom such as ²³⁵U.

- natural products naturally occurring compounds that are end products of secondary metabolism; often, they are unique compounds for particular organisms or classes of organisms.

- orphan products drugs, biologicals, and medical devices (including diagnostic in vitro tests) that may be useful in either common or rare diseases but that are not considered commercially viable. SYN: orphan drugs.

- spallation p. an atomic species produced in the course of the spallation of any atom.

- substitution p. a p. obtained by replacing one atom or group in a molecule with another atom or group.

prod·uct 'präd-(.)əkt n a substance produced from one or more other substances as a result of chemical change