For Fission we have terms and definitions in 8 topics. The topics are Electric Power, Energy, Environment, Environmental Toxins, Microbiology, Nuclear, Nuclear Science and Science.

Fission (Electric Power)

The splitting of a heavy nucleus into two, accompanied by the release of a relatively large amount of energy and usually one or more neutrons. It may be spontaneous but usually is due to a nucleus absorbing a neutron and thus becoming unstable.

Fission (Energy)

The splitting apart of atoms. This splitting releases large amounts of energy and one or more neutrons. Nuclear power plants split the nuclei of uranium atoms in a process called fission. See our section on Nuclear Energy.

Fission (Environment)

The process whereby the nucleus of a particular heavy element splits into (generally) two nuclei of lighter elements, with the release of substantial amounts of energy.

Fission (Environmental Toxins)

The splitting of a heavy nucleus into two or more radioactive nuclei, accompanied by the emission of gamma rays, neutrons and a significant amount of energy. Fission usually is initiated by the heavy nucleus absorbing a neutron, but it can also occur spontaneously.

Fission (Microbiology)

Division of a cell into two cells by splitting.

Fission (Nuclear)

The splitting of a heavy nucleus into two roughly equal parts (which are nuclei of lower-mass elements), accompanied by the release of a relatively large amount of energy in the form of kinetic energy of the two parts and in the form of emission of neutrons and gamma rays.

Fission (Nuclear Science)

The splitting of a heavy nucleus into two roughly equal parts (which are nuclei of lighter elements), accompanied by the release of a relatively large amount of energy in the form of kinetic energy of the two parts and in the form of emission of neutrons and gamma rays.

Fission (Science)

Asexual reproduction in which one organism divides into two small organisms of equal size

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