Physics. fissile or fertile material that undergoes fission in a nuclear reactor.
any light element, as hydrogen or helium, that undergoes fusion and gives off energy within the interior of stars.
a fuel that provides nuclear energy, used in nuclear power stations, nuclear submarines, etc


Read Also:

  • Nuclear-fusion

    noun 1. (def 4). noun 1. a reaction in which two nuclei combine to form a nucleus with the release of energy Sometimes shortened to fusion Compare nuclear fission See also thermonuclear reaction

  • Nuclear hyaloplasm

    nuclear hyaloplasm n. See karyolymph.

  • Nuclear inclusion body

    nuclear inclusion body n. Either of two types of usually acidophilic inclusion bodies: granular or hyaline, as in herpes simplex, and circumscribed, as in poliomyelitis. Also called nucleoid.

  • Nuclearism

    [noo-klee-uh-riz-uh m, nyoo- or, by metathesis, -kyuh-luh-] /ˈnu kli əˌrɪz əm, ˈnyu- or, by metathesis, -kyə lə-/ noun 1. a political philosophy maintaining that weapons are the best means of assuring peace and of attaining political goals.

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