Princeton's WordNet

1. atomic energy, nuclear energy(noun)

   the energy released by a nuclear reaction

Wiktionary

1. nuclear energy(Noun)

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

2. nuclear energy(Noun)

   such energy used as a power source

U.S. National Library of Medicine

1. Nuclear Energy

   Energy released by nuclear fission or nuclear fusion.

Dictionary of Military and Associated Terms

1. nuclear energy

   All forms of energy released in the course of a nuclear fission or nuclear transformation.

• kernkragAfrikaans
• طاقَةٌ نَوَويَّهArabic
• ядрена енергияBulgarian
• energia nuclearPortuguese (BR)
• jaderná energieCzech
• die AtomenergieGerman
• atomenergiDanish
• πυρηνική ενέργειαGreek
• energía nuclearSpanish
• tuumaenergiaEstonian
• انرژى هسته ایFarsi
• ydinenergiaFinnish
• énergie nucléaireFrench
• אֱנֶרגיָה אָטוֹמִ��תHebrew
• परमाणु ऊर्जाHindi
• nuklearna energijaCroatian
• atomenergiaHungarian
• tenaga nuklirIndonesian
• kjarnorkaIcelandic
• energia nucleareItalian
• 原子力Japanese
• 원자력Korean
• atominė, branduolinė energijaLithuanian
• atomenerģijaLatvian
• tenaga nuklearMalay
• kernenergieDutch
• kjernekraft, atomenergiNorwegian
• energia jądrowaPolish
• انرژى هسته ایPersian
• هسته يى ځواكPashto
• energia nuclearPortuguese
• energie nu­cle­arăRomanian
• ядерная энергияRussian
• jadrová energiaSlovak
• jedrska energijaSlovenian
• nuklearna energijaSerbian
• atom-, kärnenergiSwedish
• พลังงานนิวเคลียร์Thai
• atom enerjisiTurkish
• 核能Chinese (Trad.)
• енергія атомного ядраUkrainian
• جوہري توانائيUrdu
• năng lượng hạt nhânVietnamese
• 核能Chinese (Simp.)