| RTG | Radioiziotopa Termoelektra Generatoro | In Esperanto | → Nuclear technology |
| SEPTEN | Service Études et Projets Thermiques Et Nucléaires | In French | → Energy economics → Nuclear technology |
| SFEN | Société Française d'Énergie Nucléaire | In French | → Organizations and associations → Energy economics → Nuclear technology |
| SFEN | Société Française pour l’Énergie Nucléaire | In French | → Organizations and associations → Energy economics → Nuclear technology |
| SGHWR | Steam Generating Heavy Water Reactor | In English | → Nuclear technology |
| SINETICS | SImulation NEutronique, Technique de l’Information et Calcul Scientifique | In French | → Nuclear technology |
| SNA | Sous-marin Nucléraire d'Attaque | In French | → Nuclear technology → Military engineering |
| SNAP | Space Nuclear Auxiliary Power | In English | → Nuclear technology → Spaceflight engineering, astronautics |
| SNC | Société Nucléaire Canadienne (www.cns-snc.ca) | In French | → Organizations and associations → Nuclear, atomic, and molecular physics → Nuclear technology |
| SNLE | Sous-marin Nucléaire Lanceur d'Engins | In French | → Nuclear technology → Military engineering |
| SNPO | Space Nuclear Propulsion Office | In English | → Nuclear technology → Spaceflight engineering, astronautics |
| SNSO | Space Nuclear Systems Office | In English | → Nuclear technology → Spaceflight engineering, astronautics |
| SWR | Siedewasserreaktor = BWR | Boiling Water Reactor | In English = REB | Réacteur à Eau Bouillante | In French |
In German | → Nuclear technology |
| TEA | Tranche en Arrêt | In French | → Nuclear technology → Electrical engineering |
| TEF | Tranche en Fonctionnement | In French | → Nuclear technology → Electrical engineering |
| TEM | Tranche en Marche | In French | → Nuclear technology → Electrical engineering |
| TFA | Très Faible Activité | In French | → Nuclear technology |
| TICE | Traité d'Interdiction Complète des Essais nucléaires | In French | → International relations → Military engineering → Nuclear technology |
| TNP | Traité de Non Prolifération des armes nucléaires | In French | → International relations → Military engineering → Nuclear technology |
| UAEA | Uluslararası Atom Enerji Ajansı (www.iaea.org) = IAAE | Internacia Agentejo pri Atom-Energio | In Esperanto = IAEA | International Atomic Energy Agency | In English = AIEA | Agence Internationale de l'Énergie Atomique | In French = AIEA | Agenţia Internaţională pentru Energie Atomică | In Romanian = МААЕ | Международна агенция за атомна енергия | In Bulgarian = AIEA | Agència Internacional de l'Energia Atòmica | In Catalan = MAAE | Mezinárodní agentura pro atomovou energii | In Czech = IAEA | Det Internationale Atomenergiagentur | In Danish = IAEO | Internationale Atomenergieorganisation | In German = OIEA | Organismo Internacional de Energía Atómica | In Spanish = סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית | In Hebrew = IAEA | International Atomenergie Agence | In Letzeburgesh = AIEA | Agenzia Internazionale per l'Energia Atomica | In Italian = IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण | In Hindi = MAAE | Меѓународна агенција за атомска енергија | In Macedonian = МАГАТЭ | Международное агентство по атомной энергии | In Russian = AIEA | Agência Internacional de Energia Atómica | In Portuguese = MAEA | Międzynarodowa Agencja Energii Atomowej | In Polish = МАГАТЕ | Міжнародне агентство з атомної енергії | In Ukrainian = IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ | In Thai = EANA | Energia Atomikoaren Nazioarteko Agentzia | In Basque |
In Turkish | → International relations → Energy economics → Nuclear technology |
| UKAEA | United Kingdom Atomic Energy Agency | In English | → Public administration, government → Energy economics → Nuclear technology |
| UNGG | Uranium Naturel Graphite Gaz | In French | → Nuclear technology |
| VVER | Vodo-vodní energetický reaktor = WWER | Wodo-Wodianoj Eniergieticzeskij Rieaktor | In Polish = WWER | Wasser-Wasser-Energie-Reaktor | In German = ВВЕР | Водо-Водяной Энергетический Реак | In Russian |
In Czech | → Nuclear technology |
| WANO | World Association of Nuclear Operators | In English | → Associations → Nuclear technology |
| WWER | Wasser-Wasser-Energie-Reaktor = VVER, ВВЕР (look above) |
In German | → Nuclear technology |
| WWER | Wodo-Wodianoj Eniergieticzeskij Rieaktor = VVER, ВВЕР (look above) |
In Polish | → Nuclear technology |
| ВВЕР | Водо-Водяной Энергетический Реак = VVER, WWER (look above) |
In Russian | → Nuclear technology |
| МААЕ | Международна агенция за атомна енергия (www.iaea.org) = UAEA, IAAE, IAEA, AIEA, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, EANA (look above) |
In Bulgarian | → International relations → Energy economics → Nuclear technology |
| МАГАТЕ | Міжнародне агентство з атомної енергії (www.iaea.org) = UAEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, EANA (look above) |
In Ukrainian | → International relations → Energy economics → Nuclear technology |
| МАГАТЭ | Международное агентство по атомной энергии (www.iaea.org) = UAEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, MAEA, МАГАТЕ, EANA (look above) |
In Russian | → International relations → Energy economics → Nuclear technology |
| РБМК | Реактор Большой Мощности Канальный | In Russian | → Nuclear technology → 53912 |
| סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית (www.iaea.org) = UAEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, EANA (look above) |
In Hebrew | → International relations → Energy economics → Nuclear technology |
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