Meanings
plural nuclear fusions
- uncountableusuallynuclear physicsThe combining of the nuclei of atoms to form the nuclei of larger ones, with a resulting release of large quantities of energy; the process that makes the sun shine, and hydrogen bombs explode.
The emergence of this new large-scale lab-based astrophysics was an unanticipated side effect of a much broader, more fraught, and now quite in-the-news scientific journey: the quest for nuclear fusion.
2023 January 3, Adam Frank, “The Universe Is More in Our Hands Than Ever Before”, in The Atlantic
Synonyms & antonyms
nouna nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Arabic اِنْدِمَاج نَوَوِيّ
- اِنْدِمَاج نَوَوِيّ (indimāj nawawiyy)the combining of nuclei of small atoms to form nuclei of larger ones
Basque fusio nuklear
- fusio nuklearthe combining of nuclei of small atoms to form nuclei of larger ones
Catalan fusió nuclear
- fusió nuclearthe combining of nuclei of small atoms to form nuclei of larger ones
Chinese Mandarin 核聚變 /核聚变, 核融合
- 核聚變 /核聚变 (héjùbiàn)the combining of nuclei of small atoms to form nuclei of larger ones
- 核融合 (hérónghé)the combining of nuclei of small atoms to form nuclei of larger ones
Dutch kernfusie
- kernfusiethe combining of nuclei of small atoms to form nuclei of larger ones
Finnish ydinfuusio
- ydinfuusiothe combining of nuclei of small atoms to form nuclei of larger ones
French fusion nucléaire
- fusion nucléairethe combining of nuclei of small atoms to form nuclei of larger ones
German Kernfusion
- Kernfusionthe combining of nuclei of small atoms to form nuclei of larger ones
Hebrew היתוך גרעיני
- היתוך גרעיני (hitúkh gar'iní)the combining of nuclei of small atoms to form nuclei of larger ones
Hindi नाभिकीय संलयन
- नाभिकीय संलयन (nābhikīya sanlyan)the combining of nuclei of small atoms to form nuclei of larger ones
Hungarian magfúzió, atommagfúzió
- magfúzióthe combining of nuclei of small atoms to form nuclei of larger ones
- atommagfúzióthe combining of nuclei of small atoms to form nuclei of larger ones
Icelandic kjarnasamruni, samruni
- kjarnasamrunithe combining of nuclei of small atoms to form nuclei of larger ones
- samrunithe combining of nuclei of small atoms to form nuclei of larger ones
Italian fusione nucleare
- fusione nuclearethe combining of nuclei of small atoms to form nuclei of larger ones
Japanese 核融合
- 核融合 (kakuyūgō)the combining of nuclei of small atoms to form nuclei of larger ones
Korean 핵융합
- 핵융합 (haegyunghap)the combining of nuclei of small atoms to form nuclei of larger ones
Polish fuzja jądrowa
- fuzja jądrowathe combining of nuclei of small atoms to form nuclei of larger ones
Portuguese fusão nuclear
- fusão nuclearthe combining of nuclei of small atoms to form nuclei of larger ones
Romanian fuziune nucleară
- fuziune nuclearăthe combining of nuclei of small atoms to form nuclei of larger ones
Russian ядерная реа́кция си́нтеза, термоя́дерная реа́кция
- ядерная реа́кция си́нтеза (jádernaja reákcija síntɛza)the combining of nuclei of small atoms to form nuclei of larger ones
- термоя́дерная реа́кция (termojádernaja reákcija)the combining of nuclei of small atoms to form nuclei of larger ones
Spanish fusión nuclear
- fusión nuclearthe combining of nuclei of small atoms to form nuclei of larger ones
Tagalog sapisan
- sapisanthe combining of nuclei of small atoms to form nuclei of larger ones
Cite this entry
nuclear fusion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nuclear%20fusion
“nuclear fusion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nuclear%20fusion. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “nuclear fusion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nuclear%20fusion.
Source: nuclear fusion on Wiktionary, CC BY-SA 4.0.