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Mathematics and natural sciences

Pure sciences and exact or mathematical sciences, including astronomy, mechanics and mathematical physics.

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Acronym Sense Language Topics
O Οξυγόνο
= O | Oxygène | In French
= O | Suurstof | In Afrikaans
= O | Sauerstoff | In Tosk
= O | أكسجين | In Arabic
= O | Oxíxenu | In Asturian
= O | Oksigen | In Azerbaijani
= O | Sauastoff | In Austro-Bavarian
= O | Кісларод | In Belarusian
= O | Кислород | In Bulgarian
= O | অক্সিজেন | In Bengali
= O | Oksigen | In Breton
= O | Kiseonik | In Bosnian
= O | Oxigen | In Catalan
= O | Ossigenu | In Corsican
= O | Kyslík | In Czech
= O | Йӳçлĕк | In Chuvash
= O | Ocsigen | In Welsh
= O | Ilt | In Danish
= O | Sauerstoff | In German
= O | Oxygen | In English
= O | Oksigeno | In Esperanto
= O | Oxígeno | In Spanish
= O | Hapnik | In Estonian
= O | Oxigeno | In Basque
= O | اکسیژن | In Persian
= O | Happi | In Finnish
= O | Ossigjen | In Friulian
= O | Soerstof | In Frisian
= O | Ocsaigin | In Irish
= O | Àile-beatha | In Scottish Gaelic
= O | Osíxeno | In Galician
= O | ઑક્સીજન | In Gujarati
= O | Ocsygien | In Manx
= O | חמצן | In Hebrew
= O | आक्सीजन | In Hindi
= O | Kisik | In Croatian
= O | Kislik | In Upper Sorbian
= O | Oksijèn | In Haitian Creole
= O | Oxigén | In Hungarian
= O | Թթվածին | In Armenian
= O | Oxygeno | In Interlingua
= O | Oksigen | In Indonesian
= O | Oxo | In Ido
= O | Súrefni | In Icelandic
= O | Ossigeno | In Italian
= O | 酸素 | In Japanese
= O | kijno | In Lojban
= O | Oksigen | JV
= O | ჟანგბადი | In Georgian
= O | ಆಮ್ಲಜನಕ | In Kannada
= O | 산소 | In Korean
= O | Sauerstoff | In Kölsch
= O | Oksîjen | In Kurdish
= O | Oxygenium | In Latin
= O | Sauerstoff | In Letzeburgesh
= O | Zuurstof | In Limburgish
= O | Oksijɛ́ní | In Lingala
= O | Deguonis | In Lithuanian
= O | Skābeklis | In Latvian
= O | Hāora | In Māori
= O | Кислород | In Macedonian
= O | ഓക്സിജന്‍ | In Malayalam
= O | Хүчилтөрөгч | In Mongolian
= O | ऑक्सिजन | In Marathi
= O | Oksigen | In Malay
= O | Ehēcayoh | En Nahuatl
= O | Suerstoff | In Low German
= O | अक्सिजन | In Newari (Nepal Bhasa)
= O | Zuurstof | In Dutch
= O | Oksygen | In Nynorsk
= O | Oksygen | In Norwegian
= O | Oxygen | In Oromo
= O | Oxygen | In Kapampangan
= O | Tlen | In Polish
= O | Oxigénio | In Portuguese
= O | Muksichaq | In Quechua
= O | Oxigen | In Romanian
= O | Кислород | In Russian
= O | Ossìgginu | In Sicilian
= O | Kiseonik | In Serbo-Croatian
= O | ඔක්සිජන් | In Sinhalese
= O | Kyslík | In Slovak
= O | Kisik | In Slovenian
= O | Oksigjeni | In Albanian
= O | Кисеоник | In Serbian
= O | Oksigén | In Sundanese
= O | Syre | In Swedish
= O | Oksijeni | In Swahili
= O | ஆக்ஸிஜன் | In Tamil
= O | ఆక్సిజన్ | In Telugu
= O | Оксиген | In Tajik
= O | ออกซิเจน | In Thai
= O | Oksiheno | In Tagalog
= O | Oksijen | In Turkish
= O | Кисень | In Ukrainian
= O | Kislorod | In Uzbek
= O | Ôxy | In Vietnamese
= O | זויערשטאף | In Yiddisch
= O | 氧 | In Chinese
In Greek → Chemistry
O Oxygen
= (look above) 		In English → Chemistry
O Oksigeno
= (look above) 		In Esperanto → Chemistry
O Oxígeno
= (look above) 		In Spanish → Chemistry
O Hapnik
= (look above) 		In Estonian → Chemistry
O Oxigeno
= (look above) 		In Basque → Chemistry
O اکسیژن
= (look above) 		In Persian → Chemistry
O Happi
= (look above) 		In Finnish → Chemistry
O Ossigjen
= (look above) 		In Friulian → Chemistry
O Soerstof
= (look above) 		In Frisian → Chemistry
O Ocsaigin
= (look above) 		In Irish → Chemistry
O Àile-beatha
= (look above) 		In Scottish Gaelic → Chemistry
O Osíxeno
= (look above) 		In Galician → Chemistry
O ઑક્સીજન
= (look above) 		In Gujarati → Chemistry
O Ocsygien
= (look above) 		In Manx → Chemistry
O חמצן
= (look above) 		In Hebrew → Chemistry
O आक्सीजन
= (look above) 		In Hindi → Chemistry
O Kisik
= (look above) 		In Croatian → Chemistry
O Kislik
= (look above) 		In Upper Sorbian → Chemistry
O Oksijèn
= (look above) 		In Haitian Creole → Chemistry
O Oxigén
= (look above) 		In Hungarian → Chemistry
O Թթվածին
= (look above) 		In Armenian → Chemistry
O Oxygeno
= (look above) 		In Interlingua → Chemistry
O Oksigen
= (look above) 		In Indonesian → Chemistry
O Oxo
= (look above) 		In Ido → Chemistry
O Súrefni
= (look above) 		In Icelandic → Chemistry
O Ossigeno
= (look above) 		In Italian → Chemistry
O 酸素
= (look above) 		In Japanese → Chemistry
O kijno
= (look above) 		In Lojban → Chemistry
O Oksigen
= (look above) 		[JV] → Chemistry
O ჟანგბადი
= (look above) 		In Georgian → Chemistry
O ಆಮ್ಲಜನಕ
= (look above) 		In Kannada → Chemistry
O 산소
= (look above) 		In Korean → Chemistry
O Sauerstoff
= (look above) 		In Kölsch → Chemistry
O Oksîjen
= (look above) 		In Kurdish → Chemistry
O Oxygenium
= (look above) 		In Latin → Chemistry
O Sauerstoff
= (look above) 		In Letzeburgesh → Chemistry
O Zuurstof
= (look above) 		In Limburgish → Chemistry
O Oksijɛ́ní
= (look above) 		In Lingala → Chemistry
O Deguonis
= (look above) 		In Lithuanian → Chemistry
O Skābeklis
= (look above) 		In Latvian → Chemistry
O Hāora
= (look above) 		In Māori → Chemistry
O Кислород
= (look above) 		In Macedonian → Chemistry
O ഓക്സിജന്‍
= (look above) 		In Malayalam → Chemistry
O Хүчилтөрөгч
= (look above) 		In Mongolian → Chemistry
O ऑक्सिजन
= (look above) 		In Marathi → Chemistry
O Oksigen
= (look above) 		In Malay → Chemistry
O Ehēcayoh
= (look above) 		En Nahuatl → Chemistry
O Suerstoff
= (look above) 		In Low German → Chemistry
O अक्सिजन
= (look above) 		In Newari (Nepal Bhasa) → Chemistry
O Zuurstof
= (look above) 		In Dutch → Chemistry
O Oksygen
= (look above) 		In Nynorsk → Chemistry
O Oksygen
= (look above) 		In Norwegian → Chemistry
O Oxygen
= (look above) 		In Oromo → Chemistry
O Oxygen
= (look above) 		In Kapampangan → Chemistry
O Tlen
= (look above) 		In Polish → Chemistry
O Oxigénio
= (look above) 		In Portuguese → Chemistry
O Muksichaq
= (look above) 		In Quechua → Chemistry
O Oxigen
= (look above) 		In Romanian → Chemistry
O Кислород
= (look above) 		In Russian → Chemistry
O Ossìgginu
= (look above) 		In Sicilian → Chemistry
O Kiseonik
= (look above) 		In Serbo-Croatian → Chemistry
O ඔක්සිජන්
= (look above) 		In Sinhalese → Chemistry
O Kyslík
= (look above) 		In Slovak → Chemistry
O Kisik
= (look above) 		In Slovenian → Chemistry
O Oksigjeni
= (look above) 		In Albanian → Chemistry
O Кисеоник
= (look above) 		In Serbian → Chemistry
O Oksigén
= (look above) 		In Sundanese → Chemistry
O Syre
= (look above) 		In Swedish → Chemistry
O Oksijeni
= (look above) 		In Swahili → Chemistry
O ஆக்ஸிஜன்
= (look above) 		In Tamil → Chemistry
O ఆక్సిజన్
= (look above) 		In Telugu → Chemistry
O Оксиген
= (look above) 		In Tajik → Chemistry
O ออกซิเจน
= (look above) 		In Thai → Chemistry
O Oksiheno
= (look above) 		In Tagalog → Chemistry
O Oksijen
= (look above) 		In Turkish → Chemistry
O Кисень
= (look above) 		In Ukrainian → Chemistry
O Kislorod
= (look above) 		In Uzbek → Chemistry
O Ôxy
= (look above) 		In Vietnamese → Chemistry
O זויערשטאף
= (look above) 		In Yiddisch → Chemistry
O 氧
= (look above) 		In Chinese → Chemistry
O3 Ozone In French → Chemistry
OAC Observatorio Astronómico de Córdoba (http://http://oac.unc.edu.ar/) In Spanish → Observatories
→ Argentina
OAO Orbital Astronomical Observatory In English → Observatories
→ Astronautics
OAP Odessa Astronomical Publications In English → Serial publications, periodicals
→ Astronomy
OARE Orbital Acceleration Research Experiment In English → Astronomy
→ Astronautics
OARME Oxygen Atom Reaction Materials Experiment In English → Nuclear, atomic, and molecular physics
→ Nuclear technology
OAUW Obserwatorium Astronomicznego Uniwersytetu Warszawskiego In Polish → Astronomy
ÖAW Österreichische Akademie der Wissenschaften (www.oeaw.ac.at) In German → Academies
→ Austria
OCA Observatoire de la Côte d'Azur (https://www.oca.eu/fr/) In French → Observatories
→ France
OCCAM Ocean Circulation and Climate Advanced Modelling Project In English → Marine research, oceanography
→ Meteorology, climatology
OCDU Optics Coupling Data Unit In English → Data
→ Optics
OCDU Optical Channel Drop Unit In English → Telecommunications
→ Optics
OcDyn Ocean Dynamics In English → Serial publications, periodicals
→ Marine research, oceanography
OCE Ocean Color Experiment In English → Marine research, oceanography
OcEng Ocean Engineering In English → Serial publications, periodicals
→ Marine research, oceanography
→ 6295
OcMod Ocean Modelling In English → Serial publications, periodicals
→ Marine research, oceanography
OcPhE Ocean Physics and Engineering In English → Serial publications, periodicals
→ Marine research, oceanography
→ 6295
OCQ Ordre des Chimistes du Québec In French → Organizations and associations
→ Chemistry
→ Chemical technology
→ Canada
OcSci Ocean Science In English → Serial publications, periodicals
→ Marine research, oceanography
OCTS Ocean Color and Temperature Scanner In English → Marine research, oceanography
→ Meteorology, climatology
ODE Ordinary Differential Equation In English → Differential calculus
ODE Observatoire Départemental de l'Eau In French → Regional administration
→ Hydrology
→ Environmental technology, water supply, waste management
ODF Orbit Determination Facility In English → Astronomy
→ Astronautics
ODP Ocean Drilling Programm In English → Marine research, oceanography
OEJV Open European Journal on Variable Stars In English → Serial publications, periodicals
→ Astronomy
OES Occupational and Environmental Safety In English → Medicine
→ Labour, labour economics
→ Environmental protection
OFBSL Observatoire de la Foresterie du Bas-Saint-Laurent In French → Threats to the environment
→ Agricultural sciences
OFEFP Office Fédéral de l'Environnement, des Forêts et du Paysage In French → Public administration, government
→ Environmental protection
→ Forestry
OFES OGCM for the Earth Simulator In English → Marine research, oceanography
→ Computer simulation
OFI Österreichisches Forschungsinstitut für Chemie und Technik (www.ofi.co.at) In German → Research institutes
→ Chemistry
→ Chemical technology
→ Austria
ÖGAA Österreichische Gesellschaft für Astronomie und Astrophysik (www.oegaa.at) In German → Organizations and associations
→ Astronomy
→ Austria
ÖGBM Österreichische Gesellschaft für Biochemie und Molekularbiologie In German → Organizations and associations
→ Biochemistry, biophysics
→ Austria
OGC Open Geospatial Consortium In English → Organizations and associations
→ Computer science
→ Geodesy, cartography
OGCM Ocean General Circulation Model In English → Marine research, oceanography
OGE Ordre des Géomètres Experts In French → Organizations and associations
→ Geodesy, cartography
ÖGGGT Österreichische Gesellschaft für Genetik und Gentechnologie (www.oegggt.org) In German → Organizations and associations
→ Genetics
→ Biotechnology
→ Austria
ÖGHMP Österreichische Gesellschaft für Hygiene, Mikrobiologie und Präventivmedizin (www.oeghmp.at) In German → Organizations and associations
→ Personal health and hygiene
→ Public health and hygiene
→ Microbiology
→ Austria
ÖGKC Österreichische Gesellschaft für klinische Chemie In German → Organizations and associations
→ Biochemistry, biophysics
→ Pharmacology, toxicology
→ Austria
OGM Organisme Génétiquement Modifié In French → Biological sciences
→ Biotechnology
OGS Official Gene Set In English → Ecology
ÖGUT Österreichische Gesellschaft für Umwelt und Technik (www.oegut.at) In German → Organizations and associations
→ Threats to the environment
→ Environmental technology, water supply, waste management
→ Austria
OHP Observatoire de Haute-Provence (www.obs-hp.fr) In French → Observatories
→ France
OHSU Oregon Health and Science University (www.ohsu.edu) In English → Higher education, universities
→ Medicine
→ United States
OI Optimal Interpolation In English → Algorithms
OIBT Organisation Internationale des Bois Tropicaux (www.itto.or.jp)
= ITTO | International Tropical Timber Organization | In English
= OIMT | Organización Internacional de las Maderas Tropicales | In Spanish
In French → Organizations and associations
→ Environmental protection
→ Timber and woodworking industry
OIEau Office International de l'Eau In French → Organizations and associations
→ Hydrology
→ Environmental technology, water supply, waste management
OIMT Organización Internacional de las Maderas Tropicales (www.itto.or.jp)
= OIBT, ITTO (look above) 		In Spanish → Organizations and associations
→ Environmental protection
→ Timber and woodworking industry
OKACOM Okavango River Basin Water Commission In English → Organizations and associations
→ Hydrology
→ Environmental technology, water supply, waste management
OklRe University of Oklahoma Observatory Reprints In English → Serial publications, periodicals
→ Astronomy
→ United States
OKUNHK Oficejo de la Kunordiganto de la Unuiĝintaj Nacioj por Helpo kaze de Katastrofo
= UNDRO | Office of the United Nations Desaster Relief Coordinator | In English
In Esperanto → United Nations
→ Natural disasters
OLEB Origins of Life and Evolution of the Biosphere In English → Serial publications, periodicals
→ Biological sciences
OLMAM Optimized Levenberg Marquardt with Adaptive Momentum In English → Mathematics
OMEC Organic Materials for Electronics Consortium In English → Chemistry
→ Electronics
OMI Organisation Maritime Internationale
= IMO | International Maritime Organization | In English
= IMO | Internacia Mar-Organizo | In Esperanto
In French → International relations
→ Marine research, oceanography
→ 6295
→ Agricultural sciences
OMIM Online Mendelian Inheritance in Man In English → Genetics
→ Biochemistry, biophysics
OMJ Oscillation de Madden-Julian
= MJO | Madden-Julian Oscillation | In English
In French → Meteorology, climatology
OMM Organisation Météorologique Mondiale (www.wmo.int)
= MMO | Monda Meteologia Organizo | In Esperanto
= WMO | World Meteorological Organization | In English
In French → Organizations and associations
→ Meteorology, climatology
→ United Nations
OMP Observatoire Midi-Pyrénées (http://www.obs-mip.fr/) In French → Observatories
→ Earth sciences
→ France
OMSZ Országos Meteorológiai Szolgálat In Hungarian → Meteorology, climatology
OMU Optical Measuring Unit In English → Optics
OMVG Organisation pour la Mise en Valeur du fleuve Gambie In French → Organizations and associations
→ Development
→ 5023
→ Engineering, technology
OMVS Optically Variable Magnetic Stripe In English → Optics
ONA Observatorio Nacional Argentino In Spanish → Observatories
→ Argentina
ONGC Oil and Natural Gas Corporation (www.ongcindia.com) In English → Earth sciences
→ Mining
ONRAS Occasional Notes of the Royal Astronomical Society In English → Serial publications, periodicals
→ Astronomy
OOPS Fundamental'nye Osnovy Opticheskoi Pamiati i Sredy In Russian → Serial publications, periodicals
OPA Océan PArallélisé In French → Marine research, oceanography
OPC Optical Power Calibration In English → Optics
OPC Oligodendrocy Precursor Cell In English → Cytology
OPCs Oligodendrocyte Progenitor Cells In English → 5763
OPD Optical Path Difference In English → Optics
OPDAR Optical Detection and Ranging In English → Optics
OPG Osteoprotegrin In German → Biochemistry, biophysics
ÖPG Österreichische Physikalische Gesellschaft (www.oepg.at) In German → Organizations and associations
→ Physics
→ Austria
OPGC Observatoire de Physique du Globe de Clermont-Ferrand (wwwobs.univ-bpclermont.fr) In French → Research institutes
→ Geophysics
→ France
OPGL Osteoprotegerin Ligand In English → Biochemistry, biophysics
OPhL Optique Philippe Lafont In French → Optics
OPM Outer Planet Mission In English → Astronomy
→ Astronautics
OPN Osteopontin In English → Biochemistry, biophysics
OPPF Oxford Protein Production Facility In English → Biotechnology
→ Proteins
OpSCN Optical Sciences Center Newsletter In English → Serial publications, periodicals
→ Optics
OptCo Optics Communications In English → Serial publications, periodicals
→ Optics
→ Telecommunications
OptEn Optical Engineering In English → Serial publications, periodicals
→ Optics
OptFT Optical Fiber Technology In English → Serial publications, periodicals
→ Optics
→ Telecommunications
OptL Optics Letters In English → Serial publications, periodicals
→ Optics
OptLE Optics and Lasers in Engineering In English → Serial publications, periodicals
→ Optics
→ Electromagnetism
OptLT Optics Laser Technology In English → Serial publications, periodicals
→ Optics
→ Electromagnetism
OptMa Optical Materials In English → Serial publications, periodicals
→ Optics
→ Materials science
OptN Optics News In English → Serial publications, periodicals
→ Optics
OptPE Optical Physics and Engineering In English → Serial publications, periodicals
→ Optics
OptPN Optics & Photonics News In English → Serial publications, periodicals
→ Optics
→ Electromagnetism
OptQE Optical Quantum Electronics In English → Serial publications, periodicals
→ Quantum mechanics
→ Optics
→ Engineering, technology
OptRv Optical Review In English → Serial publications, periodicals
→ Optics
OptSp Optics and Spectroscopy In English → Serial publications, periodicals
→ Optics
→ Electromagnetism
OQE Optical and Quantum Electronics In English → Serial publications, periodicals
→ Quantum mechanics
→ Optics
→ Engineering, technology
ORAC Oxygen Radical Absorbance Capacity In English → Biochemistry, biophysics
→ Nutrition
ORE Observatoire de Recherche en Environnement In French → Environmental protection
→ Threats to the environment
ORFEUS Observatories and Research Facilities for EUropean Seismology (http://orfeus.knmi.nl) In English → Research institutes
→ Seismology, earthquakes
→ Netherlands
OrGeo Organic Geochemistry In English → Serial publications, periodicals
→ Geochemistry
ORI Ocean Research Institute (www.ori.u-tokyo.ac.jp) In English → Research institutes
→ Marine research, oceanography
→ Japan
OrLi Origins of Life In English → Serial publications, periodicals
→ Biological sciences
ORM Operational Reactivity Margin In English → 53912
→ Nuclear technology
OrNav Ortung und Navigation In German → Serial publications, periodicals
→ Geodesy, cartography
ORRCA Ontario Research Centre for Computer Algebra (www.orcca.on.ca) In English → Research institutes
→ Algebra
→ Computer science
→ Canada
ORROE Occasional Reports of the Royal Observatory Edinburgh In English → Serial publications, periodicals
→ Astronomy
OSAJ Optical Society of America Journal In English → Serial publications, periodicals
→ Optics
→ United States
OSAJI Optical Society of America Journal - Optics and Image Science In English → Serial publications, periodicals
→ Optics
→ United States
ÖSFO Ökosoziales Forum Österreich (www.oesfo.at) In German → Organizations and associations
→ 5023
→ Social sciences
→ Austria
OSJaJ Oceanographical Society of Japan Journal In English → Serial publications, periodicals
→ Marine research, oceanography
OSO Orbiting Solar Observatory In English → Astronautics
→ Observatories
→ Solar system
OSR Optical Surface Reflector In English → Optics
OSS Office of Space Sciences In English → Astronomy
→ Astronautics
OSS Optics Subsystem In English → Optics
OSSA Office of Space Science and Applications In English → Astronomy
→ Astronautics
OSSA Office of Space Sciences and Applications In English → Astronomy
→ Astronautics
OSSE Oriented Scintillation Spectrometer Experiment In English → Analytical chemistry
OSTA Office of Space and Terrestrial Applications In English → Astronomy
→ Astronautics
OTA Optical Telescope Assembly In English → Astronomy
→ Optics
OTC Optical Test Chamber In English → Optics
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