nuclear fission

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nuclear fission

(General Physics) the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy. Sometimes shortened to: fission Compare nuclear fusion

nu′clear fis′sion

fission (def. 2).
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nuclear fission - a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energynuclear fission - a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
nuclear reaction - (physics) a process that alters the energy or structure or composition of atomic nuclei
jaderné štěpení
fissão nuclear
štiepenie jadra
References in periodicals archive ?
He discovered nuclear fission, which made the atomic bomb possible.
Department of Energy, at a news conference in Las Vegas, detailed the development of the nuclear fission system under NASA's Kilopower project.
At the same time scientists developed that power system, they also made an atom-splitting nuclear fission reactor that briefly operated in space.
For a great many of us, the spectre of events such as Chernobyl, Three-Mile Island, or the more recent disaster at Fukushima in Japan have cast a shadow over the idea of relying on nuclear fission to provide our energy needs as we race into an ever-more power demanding future.
According to the company, in the period between 2010 and 2015 ROSATOM declared more than 250 patents in the field of thermonuclear fusion and in the main area of nuclear energy based on nuclear fission.
With the starting of nuclear fission, Kudankulam Nuclear Power Project (KNPP)'s Unit 2 in Tamil Nadu went critical on Sunday.
Fusion could supersede both nuclear fission and coal, to provide the base load of electricity demand.
An innovative method for removing radioactive elements from nuclear waste that could reduce the amount of total waste being generated through nuclear fission is the focus of a three-year, $800,000 grant from the Department of Energy through its Nuclear Energy University Program.
Thus, the net thrust is produced from the expansion of the combined plasma of the nuclear fusion and nuclear fission reactions through the nozzle.
nuclear fission yet there are major disparities that split them apart in terms of identity and put them into an entirely different quadrant.
This second of four volumes documenting the forum covers material challenges for future nuclear fission and fusion technologies and materials for nuclear waste treatment and disposal.

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