| ROSA | Romanian Space Agency | In English | → Astronomy → Spaceflight engineering, astronautics |
| ROSAT | ROentgen SATellite | In English | → Astronomy → Spaceflight engineering, astronautics |
| RPDE | Réseau Partenarial des Données sur l'Eau | In French | → Organizations and associations → Hydrology → Environmental technology, water supply, waste management |
| RpMP | Reports on Mathematical Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| RPPh | Reports of Progress in Physics | In English | → Serial publications, periodicals → Physics |
| RRDAP | Recent Research Development in Applied Physics | In English | → Serial publications, periodicals → Physics |
| RRDBB | Recent Research Development in Biophysics and Biochemistry | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| RRDBC | Recent Research Development in Biophysical Chemistry | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| RRDCP | Recent Research Development in Chemical Physics | In English | → Serial publications, periodicals → Physics → Chemistry |
| RRDP | Recent Research Development in Physics | In English | → Serial publications, periodicals → Physics |
| RRDPC | Recent Research Development in Physical Chemistry | In English | → Serial publications, periodicals → Physics → Chemistry |
| RRDPF | Recent Research Development in Physics of Fluids | In English | → Serial publications, periodicals → 532 |
| RRDSP | Recent Research Development in Statistical Physics | In English | → Serial publications, periodicals → Physics |
| rRKS | Ríplu ríbósakjarnasýru | In Icelandic | → Genetics → Biochemistry, biophysics |
| RRMPA | Revue Roumaine de Mathématiques Pures et Appliquées | In French | → Serial publications, periodicals → Mathematics |
| RRP | Research Reports in Physics | In English | → Serial publications, periodicals → Physics |
| RSA | Rheometrics Solids Analyzer | In English | → Physics |
| RSEL | Remote Sensing and Ecology Lab | In English | → Research institutes → 505 |
| RSNSW | Royal Society of New South Wales (http://nsw.royalsoc.org.au) | In English | → Organizations and associations |
| RSO | Resident Space Object | In English | → Astronomy → Spaceflight engineering, astronautics |
| RSPB | Royal Society for the Protection of Birds | In English | → Organizations and associations → Nature |
| RSPCA | Royal Society for the Prevention of Cruelty to Animals (www.rspca.org.uk) | In English | → Organizations and associations → Nature and society |
| RSS | Root Sum Square | In English | → Mathematics |
| RSS | Recombination Signal Sequences | In English | → Genetics → Biochemistry, biophysics |
| RSS | Residual Sum of Squares | In English | → Mathematics |
| RSV | Respiratory Syncytial Virus = VRS | Virus Respiratoire Syncytial | In French |
In English | → Virology → Pathology |
| RT | Reverse Transcriptase | In English | → Genetics → Enzymes |
| RT | Reverse Transcriptase | In English | → Genetics → Enzymes |
| RT | Reverse Transcription | In English | → Genetics |
| RTAMS | Representation Theory of the American Mathematical Society | In English | → Serial publications, periodicals → Mathematics |
| RTK | Receptor Tyrosine Kinase | In English | → Enzymes |
| RTP | Research Trends in Physics | In English | → Serial publications, periodicals → Physics |
| RUBISCO | Ribulose Bisphosphate Carboxylase/Oxygenase | In English | → Enzymes |
| RuPhJ | Russian Physics Journal | In English | → Serial publications, periodicals → Physics |
| RvAc | Revue d'Acoustique | In French | → Serial publications, periodicals → Acoustics → Acoustical engineering |
| RvAqS | Reviews in Aquatic Sciences | In English | → Serial publications, periodicals → Marine research, oceanography → Hydrology |
| RvCF | Revista Colombiana de Física | In Spanish | → Serial publications, periodicals → Physics |
| RvGeo | Reviews of Geophysics | In English | → Serial publications, periodicals → Geophysics |
| RvGeS | Reviews of Geophysics Supplement | In English | → Serial publications, periodicals → Geophysics |
| RvGPG | Revue de Géographie Physique et de Géologie Dynamique | In French | → Serial publications, periodicals → Earth sciences → Geography |
| RvGSP | Reviews of Geophysics and Space Physics | In English | → Serial publications, periodicals → Geophysics → Astronomy |
| RvMA | Reviews in Modern Astronomy | In English | → Serial publications, periodicals → Astronomy |
| RvMaP | Reviews in Mathematical Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| RvMin | Reviews of Mineralogy | In English | → Serial publications, periodicals → Mineralogy |
| RvMP | Reviews of Modern Physics | In English | → Serial publications, periodicals → Physics |
| RvMPS | Reviews of Modern Physics Supplement | In English | → Serial publications, periodicals → Physics |
| RvOp | Reviews of Optics | In English | → Serial publications, periodicals → Optics |
| RvPA | Revue de Physique Appliquée | In French | → Serial publications, periodicals → Physics |
| RvPCJ | Review of Physical Chemistry of Japan | In English | → Serial publications, periodicals → Physical chemistry |
| RvPP | Reviews of Plasma Physics | In English | → Serial publications, periodicals → Plasma physics |
| RvPT | Review of Physics in Technology | In English | → Serial publications, periodicals → Physics → Engineering, technology |
| RvRP | Revue Roumaine de Physique | In French | → Serial publications, periodicals → Physics |
| RWTHA | Rheinisch-Westfälische Technische Hochschule, Aerodynamisches Institut, Abhandlungen | In German | → Serial publications, periodicals → Aerodynamics |
| S | सल्फर = S | Soufre | In French = S | Swawel | In Afrikaans = S | كبريت | In Arabic = S | Azufre | In Asturian = S | Kükürd | In Azerbaijani = S | Сера | In Belarusian = S | Сяра | In Bulgarian = S | গন্ধক | In Bengali = S | Sumpor | In Bosnian = S | Sofre | In Catalan = S | Zolfu | In Corsican = S | Síra | In Czech = S | Sylffwr | In Welsh = S | Svovl | In Danish = S | Schwefel | In German = S | Θείο | In Greek = S | Sulfur | In English = S | Sulfuro | In Esperanto = S | Azufre | In Spanish = S | Väävel | In Estonian = S | Sufre | In Basque = S | گوگرد | In Persian = S | Rikki | In Finnish = S | Solfar | In Friulian = S | Xofre | In Galician = S | גופרית | In Hebrew = S | गन्धक | In Hindi = S | Sumpor | In Croatian = S | Souf | In Haitian Creole = S | Kén | In Hungarian = S | Ծծումբ | In Armenian = S | Belerang | In Indonesian = S | Sulfo | In Ido = S | Brennisteinn | In Icelandic = S | Zolfo | In Italian = S | 硫黄 | In Japanese = S | 황 | In Korean = S | Kibrît | In Kurdish = S | Schwiefel | In Letzeburgesh = S | Solfer | In Limburgish = S | Siera | In Lithuanian = S | Sērs | In Latvian = S | Pungatara | In Māori = S | Сулфур | In Macedonian = S | ഗന്ധകം | In Malayalam = S | Хүхэр | In Mongolian = S | Swevel | In Low German = S | Zwavel | In Dutch = S | Svovel | In Nynorsk = S | Svovel | In Norwegian = S | Sulfre | NOV = S | Sofre | In Occitan = S | Siarka | In Polish = S | Enxofre | In Portuguese = S | Salina | In Quechua = S | Sulf | In Romanian = S | Сера | In Russian = S | Surfi | In Sicilian = S | Sumpor | In Serbo-Croatian = S | Síra | In Slovak = S | Žveplo | In Slovenian = S | Squfuri | In Albanian = S | Сумпор | In Serbian = S | Walirang | In Sundanese = S | Svavel | In Swedish = S | Sulfuri | In Swahili = S | கந்தகம் | In Tamil = S | గంధకము | In Telugu = S | กำมะถัน | In Thai = S | Kükürt | In Turkish = S | Сірка | In Ukrainian = S | Oltingugurt | In Uzbek = S | Lưu huỳnh | In Vietnamese = S | שװעבל | In Yiddisch = S | 硫 | In Chinese |
In Marathi | → Chemistry |
| S | Swevel = (look above) |
In Low German | → Chemistry |
| S | Хүхэр = (look above) |
In Mongolian | → Chemistry |
| S | Zwavel = (look above) |
In Dutch | → Chemistry |
| S | Svovel = (look above) |
In Nynorsk | → Chemistry |
| S | Zolfo = (look above) |
In Italian | → Chemistry |
| S | Svovel = (look above) |
In Norwegian | → Chemistry |
| S | Sulfre = (look above) |
[NOV] | → Chemistry |
| S | Siarka = (look above) |
In Polish | → Chemistry |
| S | Enxofre = (look above) |
In Portuguese | → Chemistry |
| S | ഗന്ധകം = (look above) |
In Malayalam | → Chemistry |
| S | Сулфур = (look above) |
In Macedonian | → Chemistry |
| S | Pungatara = (look above) |
In Māori | → Chemistry |
| S | 硫黄 = (look above) |
In Japanese | → Chemistry |
| S | 황 = (look above) |
In Korean | → Chemistry |
| S | Sofre = (look above) |
In Occitan | → Chemistry |
| S | Kibrît = (look above) |
In Kurdish | → Chemistry |
| S | Schwiefel = (look above) |
In Letzeburgesh | → Chemistry |
| S | Solfer = (look above) |
In Limburgish | → Chemistry |
| S | Siera = (look above) |
In Lithuanian | → Chemistry |
| S | Sērs = (look above) |
In Latvian | → Chemistry |
| S | Žveplo = (look above) |
In Slovenian | → Chemistry |
| S | Salina = (look above) |
In Quechua | → Chemistry |
| S | Sulf = (look above) |
In Romanian | → Chemistry |
| S | Сера = (look above) |
In Russian | → Chemistry |
| S | Kükürt = (look above) |
In Turkish | → Chemistry |
| S | Oltingugurt = (look above) |
In Uzbek | → Chemistry |
| S | Lưu huỳnh = (look above) |
In Vietnamese | → Chemistry |
| S | שװעבל = (look above) |
In Yiddisch | → Chemistry |
| S | 硫 = (look above) |
In Chinese | → Chemistry |
| S | Sulfo = (look above) |
In Ido | → Chemistry |
| S | Brennisteinn = (look above) |
In Icelandic | → Chemistry |
| S | Сірка = (look above) |
In Ukrainian | → Chemistry |
| S | กำมะถัน = (look above) |
In Thai | → Chemistry |
| S | గంధకము = (look above) |
In Telugu | → Chemistry |
| S | கந்தகம் = (look above) |
In Tamil | → Chemistry |
| S | Surfi = (look above) |
In Sicilian | → Chemistry |
| S | Sumpor = (look above) |
In Serbo-Croatian | → Chemistry |
| S | Síra = (look above) |
In Slovak | → Chemistry |
| S | Squfuri = (look above) |
In Albanian | → Chemistry |
| S | Сумпор = (look above) |
In Serbian | → Chemistry |
| S | Walirang = (look above) |
In Sundanese | → Chemistry |
| S | Svavel = (look above) |
In Swedish | → Chemistry |
| S | Sulfuri = (look above) |
In Swahili | → Chemistry |
| S | Belerang = (look above) |
In Indonesian | → Chemistry |
| S | سيرين = S | Serine | In English = S | Serina | In Catalan = S | Serin | In Czech = S | Serin | In Danish = S | Serin | In German = S | Serina | In Spanish = S | Serino | In Esperanto = S | Sérine | In French = S | 세린 | In Korean = S | Serin | In Croatian = S | Serin | In Indonesian = S | Serina | In Italian = S | סרין | In Hebrew = S | Serīns | In Latvian = S | Serin | In Letzeburgesh = S | Serinas | In Lithuanian = S | Serine | In Dutch = S | セリン | In Japanese = S | Serin | In Norwegian = S | Seryna | In Polish = S | Serina | In Portuguese = S | Серин | In Russian = S | Seriini | In Finnish = S | Serin | In Swedish = S | செர்ரீன் | In Tamil = S | Serin | In Turkish = S | Серин | In Ukrainian = S | 絲氨酸 | In Chinese |
In Arabic | → Biochemistry, biophysics |
| S | Сяра = (look above) |
In Bulgarian | → Chemistry |
| S | Serina = (look above) |
In Catalan | → Biochemistry, biophysics |
| S | Kén = (look above) |
In Hungarian | → Chemistry |
| S | Svovl = (look above) |
In Danish | → Chemistry |
| S | Sylffwr = (look above) |
In Welsh | → Chemistry |
| S | Síra = (look above) |
In Czech | → Chemistry |
| S | Zolfu = (look above) |
In Corsican | → Chemistry |
| S | Sofre = (look above) |
In Catalan | → Chemistry |
| S | Sumpor = (look above) |
In Bosnian | → Chemistry |
| S | গন্ধক = (look above) |
In Bengali | → Chemistry |
| S | Сера = (look above) |
In Belarusian | → Chemistry |
| S | Kükürd = (look above) |
In Azerbaijani | → Chemistry |
| S | Azufre = (look above) |
In Asturian | → Chemistry |
| S | كبريت = (look above) |
In Arabic | → Chemistry |
| S | Swawel = (look above) |
In Afrikaans | → Chemistry |
| S | Schwefel = (look above) |
In German | → Chemistry |
| S | Θείο = (look above) |
In Greek | → Chemistry |
| S | Sulfur = (look above) |
In English | → Chemistry |
| S | Ծծումբ = (look above) |
In Armenian | → Chemistry |
| S | Souf = (look above) |
In Haitian Creole | → Chemistry |
| S | Sumpor = (look above) |
In Croatian | → Chemistry |
| S | गन्धक = (look above) |
In Hindi | → Chemistry |
| S | גופרית = (look above) |
In Hebrew | → Chemistry |
| S | Xofre = (look above) |
In Galician | → Chemistry |
| S | Solfar = (look above) |
In Friulian | → Chemistry |
| S | Rikki = (look above) |
In Finnish | → Chemistry |
| S | گوگرد = (look above) |
In Persian | → Chemistry |
| S | Sufre = (look above) |
In Basque | → Chemistry |
| S | Väävel = (look above) |
In Estonian | → Chemistry |
| S | Azufre = (look above) |
In Spanish | → Chemistry |
| S | Sulfuro = (look above) |
In Esperanto | → Chemistry |
| S | Soufre = (look above) |
In French | → Chemistry |
| S | Seriini = (look above) |
In Finnish | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Turkish | → Biochemistry, biophysics |
| S | செர்ரீன் = (look above) |
In Tamil | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Swedish | → Biochemistry, biophysics |
| S | Серин = (look above) |
In Russian | → Biochemistry, biophysics |
| S | Serina = (look above) |
In Portuguese | → Biochemistry, biophysics |
| S | Seryna = (look above) |
In Polish | → Biochemistry, biophysics |
| S | Sérine = (look above) |
In French | → Biochemistry, biophysics |
| S | セリン = (look above) |
In Japanese | → Biochemistry, biophysics |
| S | Serine = (look above) |
In Dutch | → Biochemistry, biophysics |
| S | Serinas = (look above) |
In Lithuanian | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Letzeburgesh | → Biochemistry, biophysics |
| S | Serine = (look above) |
In English | → Biochemistry, biophysics |
| S | Serino = (look above) |
In Esperanto | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Czech | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Danish | → Biochemistry, biophysics |
| S | Serin = (look above) |
In German | → Biochemistry, biophysics |
| S | Серин = (look above) |
In Ukrainian | → Biochemistry, biophysics |
| S | Serina = (look above) |
In Spanish | → Biochemistry, biophysics |
| S | Serīns = (look above) |
In Latvian | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Norwegian | → Biochemistry, biophysics |
| S | Serina = (look above) |
In Italian | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Indonesian | → Biochemistry, biophysics |
| S | Serin = (look above) |
In Croatian | → Biochemistry, biophysics |
| S | 세린 = (look above) |
In Korean | → Biochemistry, biophysics |
| S | 絲氨酸 = (look above) |
In Chinese | → Biochemistry, biophysics |
| S | סרין = (look above) |
In Hebrew | → Biochemistry, biophysics |
| S&A | Science and Application | In English | → Applied sciences, technology |
| S&AD | Science and Applications Directorate | In English | → Applied sciences, technology |
| S&E | Science and Engineering | In English | → Engineering, technology |
| S&T | Sciences et Technologie = CyT | Ciencia y Tecnología | In Spanish = S&T | Science and Technology | In English = C&T | Ciência e Tecnologia | In Portuguese |
In French | → Engineering, technology |
| S&T | Science and Technology = CyT, C&T (look above) |
In English | → Engineering, technology |
| S&T | Sky and Telescope | In English | → Serial publications, periodicals → Astronomy |
| S&W | Sterne und Weltraum | In German | → Serial publications, periodicals → Astronomy |
| SAA | Stochastic Analysis and Applications | In English | → Serial publications, periodicals → Mathematics |
| SAA | South Atlantic Anomaly | In English | → Meteorology, climatology |
| SAAOC | South African Astronomical Observatory Circular | In English | → Serial publications, periodicals → Astronomy |
| SAAOR | South African Astronomical Observatory Republic | In English | → Serial publications, periodicals → Astronomy |
| SAB | Scientific Advisory Board | In English | |
| SACSO | Suspension ACtive pour essais en SOufflerie | In French | → Physics → Vehicle engineering |
| SADIEau | Système Africain de Documentation et d'Information sur l'Eau = AWIS | African Water Information (and Documentation) System | In English |
In French | → Knowledge management → Hydrology → 626 → Environmental technology, water supply, waste management |
| SAERI | Seoul Atomic Energy Research Institute | In English | → Serial publications, periodicals → Atomic physics |
| SAEST | Seminario pri Aplikado de Esperanto en Scienco kaj Tekniko | In Esperanto | → Congresses → Applied sciences, technology |
| SAFE | San Andreas Fault Experiment | In English | → Earth sciences |
| Safire | Service des Avions Français Instrumentés pour la Recherche en Environnement | In English | → Aeronautics, aircraft → Nature → Environment, environmental sciences |
| SAGE | Stratospheric Aerosol Gas Experiment | In English | → Meteorology, climatology |
| SAGE | Schéma d'Aménagement et de Gestion des Eaux | In French | → Hydrology → 626 → 627 |
| SAH | S-Adenosylhomocysteine | In English | → Biochemistry, biophysics |
| SAJPh | South African Journal of Physics | In English | → Serial publications, periodicals → Physics |
| SAJSc | South African Journal of Science | In English | → Serial publications, periodicals |
| SAL | Supersonic Aerophysics Laboratory | In English | → Research institutes → 5335 → Aeronautics, aircraft |
| SAM | S-Adenosyl Methionine | In English | → Biochemistry, biophysics |
| SAM | S-adenosylmethionine | In English | → Biochemistry, biophysics |
| SAnAp | Suppléments aux Annales d'Astrophysique | In French | → Serial publications, periodicals → Astronomy |
| SANDRE | Service d'Administration Nationale des Données et Référentiels sur l'Eau | In French | → Central administration → Hydrology → 627 → Environmental technology, water supply, waste management |
| SANS | Stellar Autonomous Navigation System | In English | → Astronomy → Spaceflight engineering, astronautics |
| SAOCo | Smithsonian Astrophysical Observatory - Contributions to Astrophysics | In English | → Serial publications, periodicals → Astronomy |
| SApMM | North Holland Series Applied Mathematics Mechanics | In English | → Serial publications, periodicals → Mathematics → Mechanical engineering |
| SARM | Societatea Romana Astronomica de Meteori | In Romanian | → Astronomy |
| SAS | Small-Angle Scattering | In English | → Optics |
| SASAS | South African Society of Animal Science (www.sasas.co.za) | In English | → Organizations and associations → Zoology → Veterinary medicine |
| SASn | Studia Astronomica Sinica | In Latin | → Serial publications, periodicals → Astronomy |
| SAW | Surface Acoustic Wave | In English | → Acoustics |
| SAWS | South African Weather Service | In English | → Meteorology, climatology |
| SAWTEE | South Asia Watch on Trade, Economics & Environment | In English | → Trade → Nature |
| SBCN | Society for BioChromatography and NanoSeparations = SBCN | Société de BioChromatographie et Nanoséparations | In French |
In English | → Organizations and associations → Biochemistry, biophysics |
| SBCN | Société de BioChromatographie et Nanoséparations = (look above) |
In French | → Organizations and associations → Biochemistry, biophysics |
| SBE | Starch-Branching Enzyme | In English | → Enzymes |
| SBF | Sociedade Brasileira de Física (www.sbfisica.org.br) | In Portuguese | → Organizations and associations → Physics |
|