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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

nu′clear fis′sion

fission (def. 2).

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

nuclear fission - a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

fission

nuclear reaction - (physics) a process that alters the energy or structure or composition of atomic nuclei

Translations

jaderné štěpení

Kernspaltung

maghasadás

fissione nucleare

fissão nuclear

štiepenie jadra

Mentioned in

References in periodicals archive

Generating electricity from nuclear fission can be said to be the Devil's work, whilst the pursuance of nuclear fusion can be said to be that of a quest for the Holy Grail.

Have lessons not been learned from disasters?

FOR the sake of future generations we should be very alert and vigilant to the potential of dumping nuclear waste off the coast of Wales - or indeed under the Welsh mainland - we must not be seen as a soft option and have other countries queuing up to dump their unwanted nuclear waste in Wales But it is not just the dumping of nuclear waste, as we should all be protesting vociferously against the actual building of nuclear fission power stations - especially that of Hinkley Point (with Chinese finance), just across the Bristol Channel.

Lessons of Chernobyl haven't been learned; LETTERS

He discovered nuclear fission, which made the atomic bomb possible.

on this DAY

One way to release this energy is through nuclear fission, a process by which the nucleus of an atom is broken apart to create two smaller atoms.

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That's why NASA has been developing small-scale nuclear fission reactors.

NASA Successfully Tests Nuclear Reactor to Power Future Missions

The singlet fission process is similar to nuclear fission. It involves splitting atomic nuclei to create two lighter atoms from a heavier one.

Improving the Efficiency of Organic Solar Cells: NEW PROCESSES SUGGEST OPPORTUNITIES FOR CHEAPER SOLAR CELLS

It is powered by a single nuclear fission reactor that produces superheated steam to propel the motors.

Arctic explorers left stunned as nuclear-powered icebreaker ship appears out of nowhere; Footage of Taymyr, one of a handful of Soviet era vessels, was posted on Instagram

Department of Energy, at a news conference in Las Vegas, detailed the development of the nuclear fission system under NASA's Kilopower project.

U.S. Tests Nuclear Power System to Sustain Astronauts on Mars