Phrase guide

nuclear energy

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The energy released by a nuclear reaction; either through nuclear fission or nuclear fusion

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: atomic energy

Antonyms: none provided

2

noun

Meaning 2

Such energy used as a power source.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the energy released by a nuclear reaction

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: atomic energy

Antonyms: none provided

Broader terms: energy, free energy

Narrower terms: atomic power, nuclear power

History

Etymology

No etymology was provided for this word.

Across languages

Translations

53 source translations are retained for this English entry.

  • Arabic: طَاقَة ذَرِّيَّة — energy released by a nuclear reaction
  • Basque: energia nuklear — energy released by a nuclear reaction
  • Breton: gremm derc'hanel — energy released by a nuclear reaction
  • Chinese Mandarin: 核能 (hénéng) — energy released by a nuclear reaction
  • Chinese Mandarin: 核動力 /核动力 (hédònglì) — energy released by a nuclear reaction
  • Chinese Mandarin: 原子能 (yuánzǐnéng) — energy released by a nuclear reaction
  • Danish: atomkraft — energy released by a nuclear reaction
  • Danish: kernekraft — energy released by a nuclear reaction
  • Dutch: kernenergie — energy released by a nuclear reaction
  • Estonian: aatomienergia — energy released by a nuclear reaction
  • Finnish: ydinenergia — energy released by a nuclear reaction
  • French: énergie atomique — energy released by a nuclear reaction
  • French: énergie nucléaire — energy released by a nuclear reaction
  • Galician: enerxía nuclear — energy released by a nuclear reaction
  • Georgian: ბირთვული ენერგია (birtvuli energia) — energy released by a nuclear reaction
  • German: Atomenergie — energy released by a nuclear reaction
  • German: Kernenergie — energy released by a nuclear reaction
  • Gujarati: અણુઊર્જા (aṇuūrjā) — energy released by a nuclear reaction
  • Hindi: परमाणु ऊर्जा (parmāṇu ūrjā) — energy released by a nuclear reaction
  • Hindi: नाभिकीय ऊर्जा (nābhikīya ūrjā) — energy released by a nuclear reaction
  • Hindi: आण्विक ऊर्जा (āṇvik ūrjā) — energy released by a nuclear reaction
  • Hungarian: atomenergia — energy released by a nuclear reaction
  • Hungarian: nukleáris energia — energy released by a nuclear reaction
  • Icelandic: kjarnorka — energy released by a nuclear reaction
  • Irish: fuinneamh núicléach — energy released by a nuclear reaction
  • Italian: energia nucleare — energy released by a nuclear reaction
  • Italian: energia atomica — energy released by a nuclear reaction
  • Japanese: 原子力 (genshiryoku) — energy released by a nuclear reaction
  • Japanese: 核エネルギー (kaku-enerugī) — energy released by a nuclear reaction
  • Karakalpak: atom quwatı — energy released by a nuclear reaction
  • Korean: 핵에너지 (haegeneoji) — energy released by a nuclear reaction
  • Malay: tenaga nuklear — energy released by a nuclear reaction
  • Malayalam: ആണവോർജ്ജം (āṇavōṟjjaṁ) — energy released by a nuclear reaction
  • Norwegian Bokmål: kjerneenergi — energy released by a nuclear reaction
  • Norwegian Nynorsk: kjerneenergi — energy released by a nuclear reaction
  • Persian: انرژی هستهای (enerži-ye haste-'i) — energy released by a nuclear reaction
  • Polish: energetyka jądrowa — energy released by a nuclear reaction
  • Portuguese: energia nuclear — energy released by a nuclear reaction
  • Brazilian Portuguese: energia atômica — energy released by a nuclear reaction
  • European Portuguese: energia atómica — energy released by a nuclear reaction
  • Romanian: energie atomică — energy released by a nuclear reaction
  • Russian: я́дерная эне́ргия (jádernaja enɛ́rgija) — energy released by a nuclear reaction
  • Russian: а́томная эне́ргия (átomnaja enɛ́rgija) — energy released by a nuclear reaction
  • Spanish: energía atómica — energy released by a nuclear reaction
  • Spanish: energía nuclear — energy released by a nuclear reaction
  • Swahili: nishati ya nyuklia — energy released by a nuclear reaction
  • Swedish: atomkraft — energy released by a nuclear reaction
  • Tagalog: buturing kusog — energy released by a nuclear reaction
  • Telugu: అణుశక్తి (aṇuśakti) — energy released by a nuclear reaction
  • Turkish: atom enerjisi — energy released by a nuclear reaction
  • Turkish: nükleer enerji — energy released by a nuclear reaction
  • Vietnamese: năng lượng hạt nhân — energy released by a nuclear reaction
  • Vietnamese: năng lượng nguyên tử — energy released by a nuclear reaction