Meanings
nounnuclear fission (usually uncountable, plural nuclear fissions)
plural nuclear fissions
- uncountableusuallynuclear physicsA nuclear reaction in which a large nucleus splits into smaller ones, sometimes accompanied by the simultaneous release of energy.
Synonyms & antonyms
Opposite
nouna nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Arabic انشطار
- انشطارatom-splitting nuclear reaction
Basque fisio nuklear, fisio
- fisio nuklearatom-splitting nuclear reaction
- fisioatom-splitting nuclear reaction
Bulgarian разцепване
- разцепване (razcepvane)atom-splitting nuclear reaction
Chinese Mandarin 核裂變 /核裂变, 核分裂
- 核裂變 /核裂变 (hélièbiàn)atom-splitting nuclear reaction
- 核分裂 (héfēnliè)atom-splitting nuclear reaction
Czech jaderné štěpení, štěpení
- jaderné štěpeníatom-splitting nuclear reaction
- štěpeníatom-splitting nuclear reaction
Danish kernespaltning, fission
- kernespaltningatom-splitting nuclear reaction
- fissionatom-splitting nuclear reaction
- spaltningatom-splitting nuclear reaction
Dutch kernsplijting, splitsen
- kernsplijtingatom-splitting nuclear reaction
- splitsenatom-splitting nuclear reaction
Finnish ydinfissio, fissio
- ydinfissioatom-splitting nuclear reaction
- fissioatom-splitting nuclear reaction
French fission nucléaire, fission
- fission nucléaireatom-splitting nuclear reaction
- fissionatom-splitting nuclear reaction
German Kernspaltung
- Kernspaltungatom-splitting nuclear reaction
Greek σχάση
- σχάση (schási)atom-splitting nuclear reaction
Hindi नाभिकीय विखंडन
- नाभिकीय विखंडन (nābhikīya vikhaṇḍan)atom-splitting nuclear reaction
Hungarian maghasadás, atommaghasadás
- maghasadásatom-splitting nuclear reaction
- atommaghasadásatom-splitting nuclear reaction
Icelandic kjarnaklofnun, klofnun
- kjarnaklofnunatom-splitting nuclear reaction
- klofnunatom-splitting nuclear reaction
- kjarnasundrunatom-splitting nuclear reaction
- skiptingatom-splitting nuclear reaction
Italian fissione
- fissioneatom-splitting nuclear reaction
Japanese 核分裂
- 核分裂 (kakubunretsu)atom-splitting nuclear reaction
Korean 핵분열
- 핵분열 (haekbunyeol)atom-splitting nuclear reaction
Māori whakangotangotatanga
- whakangotangotatangaatom-splitting nuclear reaction
Norwegian fisjonere, spalte
- fisjonereatom-splitting nuclear reaction
- spalteatom-splitting nuclear reaction
Norwegian Bokmål fisjon
- fisjonatom-splitting nuclear reaction
Polish rozszczepienie
- rozszczepienieatom-splitting nuclear reaction
Portuguese fissão nuclear, fissão
- fissão nuclearatom-splitting nuclear reaction
- fissãoatom-splitting nuclear reaction
Russian я́дерное деле́ние, деле́ние ядра́
- я́дерное деле́ние (jádernoje delénije)atom-splitting nuclear reaction
- деле́ние ядра́ (delénije jadrá)atom-splitting nuclear reaction
- расщепле́ние (rasščeplénije)atom-splitting nuclear reaction
Spanish fisión nuclear, fisión
- fisión nuclearatom-splitting nuclear reaction
- fisiónatom-splitting nuclear reaction
Swedish kärnklyvning, atomklyvning
- kärnklyvningatom-splitting nuclear reaction
- atomklyvningatom-splitting nuclear reaction
- fissionatom-splitting nuclear reaction
Tagalog pagsipak, sasipak
- pagsipakatom-splitting nuclear reaction
- sasipakatom-splitting nuclear reaction
Cite this entry
APA
nuclear fission. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/nuclear%20fission
MLA
“nuclear fission.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nuclear%20fission. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “nuclear fission,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/nuclear%20fission.
Source: nuclear fission on Wiktionary, CC BY-SA 4.0.