| CEPREDENAC | Centro de Coordinación para la Prevención de los Desastres Naturales en América Central = CEPREDENAC | Centro de Coordenação para a Prevenção de Desastres Naturais na América Central | In Portuguese |
In Spanish | → Natural disasters |
| CEPREMAP | Centre d'Études Prospectives d'Économie et de Mathématiques Appliquées à la Planification | In French | → Economics → Mathematics |
| CERB | Centre de Recherches Biologiques (www.cerb.fr) | In French | → Research institutes → Biological sciences |
| CEREGE | Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement | In French | → Education → Earth sciences → Environment, environmental sciences |
| CERFACS | Centre de Recherche et de Formation avancée en Calcul Scientifique | In French | → Computer science → Mathematics |
| CERMES | Centre de recherche Médecine, Sciences, Santé et Société | In French | → Sociology → Medicine |
| CERMICS | Centre d'Enseignement et de Recherche en Mathématiques, Informatique et Calcul Scientifique | In French | → Computer science → Higher education, universities → Mathematics |
| CERN | Centre Européen de Recherche Nucléaire (www.cern.ch) | In French | → Nuclear, atomic, and molecular physics → Nuclear technology |
| CERR | Centre d'Écologie des Ressources Renouvelables | In French | → Nature → Environment, environmental sciences |
| CES | Combined Earth Sensor | In English | → Astronomy |
| CESTMed | Centre d'Étude et de Sauvegarde des Tortues marines de Méditerranée | In French | → Environment, environmental sciences → Zoology |
| CETHIL | Centre de Thermique de Lyon | In French | → Thermodynamics → Mechanical engineering |
| CEyeR | Current Eye Research | In English | → Serial publications, periodicals → Biological sciences → Anatomy |
| CEZ | Centre d'Enseignement Zootechnique | In French | → Zoology → 636 |
| CF | Computers and Fluids | In English | → Serial publications, periodicals → Computer science → 532 |
| CFA | Harvard-Smithsonian Center for Astrophysics | In English | → Astronomy |
| CFC | Chrlorofluorocarbone | In French | → Chemistry → Chemical technology |
| CFI | Chemisches Forschungsinstitut der Wirtschaft Österreichs | In German | → Chemistry |
| CFIS | Calculateur du Fractionnement des Isotopes Stables = SIFC | Stable Isotope Fractionation Calculator | In English |
In French | → Atomic physics |
| CFME | Centre de Formation aux Métiers de l'Environnement | In French | → Education → Environment, environmental sciences → Environmental technology, water supply, waste management |
| CG | Computers and Geosciences | In English | → Serial publications, periodicals → Computer science → Earth sciences |
| CGDAM | Conformal Geometry and Dynamics of the American Mathematical Society | In English | → Serial publications, periodicals → Mathematics |
| CGES | Centre de Géotechnique et d'Exploitation du Sous-sol | In French | → Earth sciences → Mining |
| CGH | Computergeneriertes Hologramm | In German | → Graphical processing → Optics |
| cGMP | Cyclic Guanosine Monophosphate | In English | → Biochemistry, biophysics |
| CGRO | Compton Gamma Ray Observatory | In English | → Observatories |
| CHA | Centre Hydrométéorologique Alpes | In French | → Meteorology, climatology → Hydrology |
| ChA&A | Chinese Astronomy and Astrophysics | In English | → Serial publications, periodicals → Astronomy |
| CHARA | Center for High Angular Resolution Astronomy | In English | → Astronomy |
| ChCom | Chemical Communications | In English | → Serial publications, periodicals → Chemistry |
| CHD | Chromodomain Helicase DNA (binding protein) | In English | → Genetics → Enzymes |
| ChEdu | Chemical Educator | In English | → Serial publications, periodicals → Chemistry |
| ChEnC | Chemical Engineering Communications | In English | → Serial publications, periodicals → Chemistry → Chemical technology |
| ChEnN | Chemical Engineering News | In English | → Serial publications, periodicals → Chemistry → Chemical technology |
| ChEnS | Chemical Engineering Science | In English | → Serial publications, periodicals → Chemistry → Chemical technology |
| ChGeo | Chemical Geology | In English | → Serial publications, periodicals → Earth sciences |
| CHIPS | Cosmic Hot Interstellar Plasma Spectrometer (http://chips.ssl.berkeley.edu) | In English | → Astronomy → Plasma physics → 543422 |
| ChJAA | Chinese Journal of Astronomy and Astrophysics | In English | → Serial publications, periodicals → Spaceflight engineering, astronautics → Astronomy |
| ChJCP | Chinese Journal of Chemical Physics | In English | → Serial publications, periodicals → Physics → Chemistry |
| ChJG | Chinese Journal of Geophysics | In English | → Serial publications, periodicals → Geophysics |
| ChJIR | Chinese Journal of Infrared Research | In English | → Serial publications, periodicals → Optics |
| ChJL | Chinese Journal of Lasers | In English | → Serial publications, periodicals → Optics |
| ChJNP | Chinese Journal of Nuclear Physics | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics |
| ChJPh | Chinese Journal of Physics | In English | → Serial publications, periodicals → Physics |
| ChJPR | Chinese Journal of Polar Research | In English | → Serial publications, periodicals → Earth sciences |
| ChJS | Chinese Journal of Semiconductors | In English | → Serial publications, periodicals → Physics |
| ChJSS | Chinese Journal of Space Science | In English | → Serial publications, periodicals → Astronomy → Spaceflight engineering, astronautics |
| ChPh | Chemical Physics | In English | → Serial publications, periodicals → Chemistry → Physics |
| ChPhL | Chinese Physics Letter | In English | → Serial publications, periodicals → Physics |
| ChPhy | Chinese Physics | In English | → Serial publications, periodicals → Physics |
| ChSAJ | Chinese Society of Astronautics Journal | In English | → Serial publications, periodicals → Astronomy → Spaceflight engineering, astronautics |
| ChSBu | Chinese Science Bulletin | In English | → Serial publications, periodicals |
| ChSRv | Chemical Society Reviews | In English | → Serial publications, periodicals → Chemistry |
| ChSST | Chinese Space Science Technology | In English | → Serial publications, periodicals → Astronomy → Spaceflight engineering, astronautics |
| CIB | Centro de Investigaciones Biológicas | In Spanish | → Biological sciences |
| CiBAA | Circular of the British Astronomical Association | In English | → Serial publications, periodicals → Astronomy |
| CICTA | Commission Internationale pour la Conservation des Thonidés de l'Atlantique | In French | → International relations → Nature and society → Fishing, hunting |
| CIDUS | Centre d'Information et de Documentation Universitaire et Scientifique | In French | → Libraries → Higher education, universities |
| CIECC | Consejo Interamericano para la Educación, la Ciencia y la Cultura | In Spanish | → International relations → Education → Civilization, culture, progress |
| CIESIN | Center for International Earth Science Information Network | In English | → Research institutes → Earth sciences |
| CIESM | Commission Internationale pour l'Exploration Scientifique de la mer Méditerranée | In French | → Organizations and associations → Marine research, oceanography |
| CIHR | Canadian Institutes of Health Research (www.cihr.ca) = IRSC | Instituts de recherche en santé du Canada | In French |
In English | → Research institutes → Biological sciences → Medicine |
| CIKTN | Chemistry Innovation Knowledge Transfer Network | In English | → Organizations and associations → Chemistry |
| CIMP | Commision Internationale de Microflore Paléozoique | In English | → Organizations and associations → Paleobotany, palynology → Botany |
| CIMPA | Centre International de Mathématiques Pures et Appliquées | In French | → Mathematics |
| CIRAD | Centre de coopération internationale en recherche agronomique pour le développement | In French | → Biological sciences → Zoology → Agricultural sciences |
| CIRCE | Confusion-limited Infrared Cosmology Explorer | In English | → Cosmology → Spaceflight engineering, astronautics |
| CIRDN | Comité Interamericano para la Reducción de los Desastres Naturales = IACNDR | Inter-American Committee on Natural Disaster Reduction | In English = CIRDN | Comitê Interamericano sobre a Redução de Desastres Naturais | In Portuguese |
In Spanish | → Organizations and associations → Natural disasters |
| CIRDN | Comitê Interamericano sobre a Redução de Desastres Naturais = IACNDR (look above) |
In Portuguese | → Organizations and associations → Natural disasters |
| CIRED | Centre International de Recherches sur l'Environnement et le Développement | In French | → Research institutes → Nature → Agricultural sciences |
| CIRESS | Colloque International sur les Ressources en Eau Souterraines dans le Sahara | In French | → Congresses → Hydrology |
| CIS | Commissione Italiana di Stratigrafia | In Italian | → Organizations and associations → Earth sciences |
| CISAB | Center for the Integrative Study of Animal Behavior | In English | → Organizations and associations → Zoology |
| CISB | Centre for Integrated Structural Biology | In English | → Biological sciences |
| CiSSV | Circolare Interna della Sezione Stelle Variabili dell'Unione Astrofili Italiani | In Italian | → Serial publications, periodicals → Astronomy |
| CIST | Centre d'Information sur les Sciences de la Terre | In French | → Libraries → Earth sciences |
| CITES | Convention on International Trade in Endangered Species of Wild Fauna and Flora | In English | → International relations → Nature |
| CITHER | Consultation en Texte Intégral des THèses en Réseau | In French | → Knowledge management → Higher education, universities |
| CiUO | Circular of the Union Observatory Johannesburg | In English | → Serial publications, periodicals → Astronomy |
| CJChE | Canadian Journal of Chemical Engineering | In English | → Serial publications, periodicals → Chemical technology → Chemistry |
| CJLTP | Chinese Journal of Low Temperature Physics | In English | → Serial publications, periodicals → Physics |
| CJMat | Canadian Journal of Mathematics | In English | → Serial publications, periodicals → Mathematics |
| CLA | Conjugated Linoleic Acid | In English | → Biochemistry, biophysics |
| CLAES | Cryogenic Limb Array Etalon Spectrometer | In English | → Analytical chemistry |
| CLAMP | Climate Leaf Analysis Multivariate Program | In English | → Meteorology, climatology → Paleobotany, palynology |
| CLDB | Cell Line Data Base | In English | → Cytology → Biotechnology |
| ClDy | Climate Dynamics | In English | → Serial publications, periodicals → Meteorology, climatology |
| CLGE | Comité de Liaison des Géomètres Européens | In French | → Organizations and associations → Geodesy, cartography |
| CLGE | Central Laboratory of General Ecology | In English | → Research institutes → Ecology |
| CLGE | Council of European Geodetic Surveyors | In English | → Organizations and associations → Geodesy, cartography |
| CLIC | Climate and Cryosphere | In English | → Meteorology, climatology |
| CliPa | Climate of the Past | In English | → Serial publications, periodicals → Meteorology, climatology |
| CliPD | Climate of the Past Discussions | In English | → Serial publications, periodicals → Meteorology, climatology |
| CLS | Collecte Localisation Satellites | In English | → Spaceflight engineering, astronautics → Earth sciences |
| CLS | Computational Life Sciences | In English | → Computer-based techniques → Biological sciences |
| CLSM | Confocal Laser Scanning Microscope/Microscopy = MCBL | Microscope/Microscopie confocal(e) à balayage laser | In French |
In English | → Physics |
| CMA | Chaperone-mediated autophagy | In English | → Biological sciences |
| CMA | Centre de Mathématiques Appliquées | In French | → Mathematics |
| CMAME | Computer Methods in Applied Mechanics and Engineering | In English | → Serial publications, periodicals → Computer science → 531 → Mechanical engineering |
| CMBI | Center for Molecular Biosciences Innsbruck | In English | → Biological sciences |
| CMCN | Center of Molecular and Cellular Nanostructure | In English | → Biochemistry, biophysics |
| CMDRG | Cislennye Metody v Dinamike Razrežennyh Gazov | In Russian | → Serial publications, periodicals → Physics |
| CMDS | Cúpula Mundial de Desenvolvimento Sustentável = CMDS | Cumbre Mundial sobre el Desarrollo Sostenible | In Spanish = WSSD | World Summit on Sustainable Development | In English = SMDD | Sommet Mondial sur le Développement Durable | In French |
In Portuguese | → International relations → Nature and society |
| CMDS | Cumbre Mundial sobre el Desarrollo Sostenible = WSSD, SMDD (look above) |
In Spanish | → International relations → Nature and society |
| CME | Coronal Mass Ejection | In English | → Astronomy |
| CMH | Complexe Majeur d'Histocompatibilité | In French | → Biological sciences |
| CMI | Clay Mathematics Institute | In English | → Mathematics |
| CML | Chemical Markup Language | In English | → Programming languages → Chemistry |
| CMM | Center for Molecular Medicine | In English | → Research institutes → Biochemistry, biophysics → Medicine |
| CMMPh | Computational Mathematics and Mathematical Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| CMNUCC | Convenio Marco de las Naciones Unidas sobre Cambio Climático (http://unfccc.int) = UNFCCC | United Nations Framework Convention on Climate Change | In English = CCNUCC | Convention-Cadre des Nations Unies sur les Changements Climatiques | In French = CQNUMC | Convenção-Quadro das Nações Unidas sobre Mudança de Clima | In Portuguese = UNFCCC | 聯合國氣候變化綱要公約 | In Chinese = КИК | Рамочная конвенция ООН об изменении климата | In Russian = UNFCCC | 気候変動枠組条約 | In Japanese = UNFCCC | 기후 변화에 관한 국제 연합 기본 협약 | In Korean |
In Spanish | → United Nations → Meteorology, climatology |
| CMOI | Contrôles et Mesures Optiques pour l'Industrie | In French | → Optics → Applied sciences, technology |
| CMP | Cytidine monophosphate | In French | → Genetics → Biochemistry, biophysics |
| CMPP | Centre Marocain de Production Propre (www.cmpp.ma) | In French | → Nature and society |
| CMR | Centro Meteorologico Regionale | In Italian | → Meteorology, climatology |
| CMT | Continuum Mechanics and Thermodynamics | In English | → Serial publications, periodicals → 531 → Thermodynamics |
| CMV | Cytomegalovirus | In German | → Virology → Pathology |
| CMV | Cytomegalie-Virus | In German | → Virology |
| CMwA | Computers and Mathematics with Applications | In English | → Serial publications, periodicals → Computer science → Mathematics |
| CMWCI | Contributions from the Mount Wilson Observatory / Carnegie Institution of Washington | In English | → Serial publications, periodicals → Astronomy |
| CNACA | Comissão Norte-americana de Cooperação Ambiental (www.cec.org) = CCAAN | Comisión para la Cooperación Ambiental de América del Norte | In Spanish = NACEC | North American Commission for Environmental Cooperation | In English = CNACE | Commission Nord-Américaine de Coopération Environnementale | In French |
In Portuguese | → International relations → Nature |
| CNACE | Commission Nord-Américaine de Coopération Environnementale (www.cec.org) = CNACA, CCAAN, NACEC (look above) |
In French | → International relations → Nature |
| CNAE | Comissão Nacional de Atividades Espaciais | In Portuguese | → Astronomy → Spaceflight engineering, astronautics |
| CNAP | Catalogue des Normes Anti-Pollution | In French | → Nature |
| CNCMA | Centro Nazionale di Meteorologia e Climatologia Aeronautica | In Italian | → Meteorology, climatology |
| CNES | Centre National d'Études Spatiales (www.cnes.fr) | In French | → Astronomy → Spaceflight engineering, astronautics |
| CNESER | Conseil National de l'Enseignement Supérieur et de la Recherche | In French | → Education |
| CNEVA | Centre National d'Études Vétérinaires et Animales | In French | → Zoology → Veterinary medicine |
| CNEXO | Centre National pour l'Exploitation des Océans | In French | → Marine research, oceanography → Fishing, hunting |
| CNFME | Centre National de Formation aux Métiers de l'Eau | In French | → Hydrology → Environmental technology, water supply, waste management |
| CNG | Centre National de Génotypage (www.cng.fr) | In French | → Research institutes → Genetics |
| CNME | Communications in Numerical Methods in Engineering | In English | → Serial publications, periodicals → Mathematics → Engineering, technology |
| CNNMN | Commision on New Minerals and Mineral Names | In English | → Organizations and associations → Mineralogy → Petrology |
| CNRM | Centre National de Recherche Météorologique | In French | → Meteorology, climatology |
| CNRS | Centre National de la Recherche Scientifique | In French | → Research policy |
| CNRST | Centre National pour la Recherche Scientifique et Technique | In French | → Applied sciences, technology |
| CNS | Centre National de Séquençage | In French | → Genetics |
| CNS | Central Nervous System | In English | → Biological sciences → Anatomy → Neurology |
| CNS | Canadian Nuclear Society (www.cns-snc.ca) | In English | → Organizations and associations → Nuclear, atomic, and molecular physics → Nuclear technology |
| CNSNS | Communications in Nonlinear Science and Numerical Simulations | In English | → Serial publications, periodicals → Mathematics |
| CNUED | Conférence des Nations Unies sur l'Environnement et le Développement | In French | → Development → United Nations → Nature, |
| CNV | Copy Number Variant | In English | → Genetics |
| Co | Cobalto = Co | Cobalt | In French = Co | Kobalt | In Afrikaans = Co | كوبالت | In Arabic = Co | Kobalt | In Azerbaijani = Co | Кобальт | In Belarusian = Co | Кобалт | In Bulgarian = Co | কোবাল্ট | In Bengali = Co | Kobalt | In Bosnian = Co | Cobalt | In Catalan = Co | Cobaltu | In Corsican = Co | Kobalt | In Czech = Co | Кобальт | In Chuvash = Co | Kobolt | In Danish = Co | Cobalt | In German = Co | Κοβάλτιο | In Greek = Co | Cobalt | In English = Co | Kobalto | In Esperanto = Co | Koobalt | In Estonian = Co | Kobalto | In Basque = Co | کبالت | In Persian = Co | Koboltti | In Finnish = Co | Cobalt | In Friulian = Co | Cóbalt | In Irish = Co | Cobalto | In Galician = Co | Cobalt | In Manx = Co | קובלט | In Hebrew = Co | कोबाल्ट | In Hindi = Co | Kobalt | In Croatian = Co | Kobalt | In Hungarian = Co | Կոբալտ | In Armenian = Co | Kobal | In Indonesian = Co | Kobalto | In Ido = Co | Kóbolt | In Icelandic = Co | Cobalto | In Italian = Co | コバルト | In Japanese = Co | ridjinme | In Lojban = Co | ಕೊಬಾಲ್ಟ್ | In Kannada = Co | 코발트 | In Korean = Co | Kobalt | In Kurdish = Co | Cobaltum | In Latin = Co | Kobalt | In Letzeburgesh = Co | Kobaltas | In Lithuanian = Co | Kobalts | In Latvian = Co | Кобалт | In Macedonian = Co | കൊബാള്ട്ട് | In Malayalam = Co | कोबाल्ट | In Marathi = Co | Kobalt | In Low German = Co | Kobalt | In Dutch = Co | Kobolt | In Nynorsk = Co | Kobolt | In Norwegian = Co | Cobalt | In Occitan = Co | Kobalt | In Polish = Co | Cobalto | In Portuguese = Co | Kubaltu | In Quechua = Co | Cobalt | In Romanian = Co | Кобальт | In Russian = Co | Kobalt | In Serbo-Croatian = Co | Kobalt | In Slovak = Co | Kobalt | In Slovenian = Co | Кобалт | In Serbian = Co | Cobalt | In Saterland Frisian = Co | Kobolt | In Swedish = Co | Kobalti | In Swahili = Co | Кобалт | In Tajik = Co | โคบอลต์ | In Thai = Co | Kobalt | In Turkish = Co | Кобальт | In Ukrainian = Co | Kobalt | In Uzbek = Co | Coban | In Vietnamese = Co | 钴 | In Chinese |
In Spanish | → Chemistry |
| Co | Koobalt = (look above) |
In Estonian | → Chemistry |
| Co | Kobalto = (look above) |
In Basque | → Chemistry |
| Co | کبالت = (look above) |
In Persian | → Chemistry |
| Co | Koboltti = (look above) |
In Finnish | → Chemistry |
| Co | Cobalt = (look above) |
In Friulian | → Chemistry |
| Co | Cóbalt = (look above) |
In Irish | → Chemistry |
| Co | Cobalto = (look above) |
In Galician | → Chemistry |
| Co | קובלט = (look above) |
In Hebrew | → Chemistry |
| Co | Cobalt = (look above) |
In Manx | → Chemistry |
| Co | कोबाल्ट = (look above) |
In Hindi | → Chemistry |
| Co | Kobalt = (look above) |
In Croatian | → Chemistry |
| Co | Kobalt = (look above) |
In Hungarian | → Chemistry |
| Co | Կոբալտ = (look above) |
In Armenian | → Chemistry |
| Co | Kobal = (look above) |
In Indonesian | → Chemistry |
| Co | Kobalto = (look above) |
In Ido | → Chemistry |
| Co | Kobalto = (look above) |
In Esperanto | → Chemistry |
| Co | Cobalt = (look above) |
In English | → Chemistry |
| Co | 钴 = (look above) |
In Chinese | → Chemistry |
| Co | Cobalt = (look above) |
In French | → Chemistry |
| Co | Kobalt = (look above) |
In Afrikaans | → Chemistry |
| Co | كوبالت = (look above) |
In Arabic | → Chemistry |
| Co | Kobalt = (look above) |
In Azerbaijani | → Chemistry |
| Co | Кобальт = (look above) |
In Belarusian | → Chemistry |
| Co | Кобалт = (look above) |
In Bulgarian | → Chemistry |
| Co | কোবাল্ট = (look above) |
In Bengali | → Chemistry |
| Co | Kobalt = (look above) |
In Bosnian | → Chemistry |
| Co | Cobalt = (look above) |
In Catalan | → Chemistry |
| Co | Cobaltu = (look above) |
In Corsican | → Chemistry |
| Co | Kobalt = (look above) |
In Czech | → Chemistry |
| Co | Кобальт = (look above) |
In Chuvash | → Chemistry |
| Co | Kobolt = (look above) |
In Danish | → Chemistry |
| Co | Cobalt = (look above) |
In German | → Chemistry |
| Co | Κοβάλτιο = (look above) |
In Greek | → Chemistry |
| Co | Kóbolt = (look above) |
In Icelandic | → Chemistry |
| Co | Coban = (look above) |
In Vietnamese | → Chemistry |
| Co | Cobalto = (look above) |
In Portuguese | → Chemistry |
| Co | Kubaltu = (look above) |
In Quechua | → Chemistry |
| Co | Cobalt = (look above) |
In Romanian | → Chemistry |
| Co | Кобальт = (look above) |
In Russian | → Chemistry |
| Co | Kobalt = (look above) |
In Serbo-Croatian | → Chemistry |
| Co | Kobalt = (look above) |
In Slovak | → Chemistry |
| Co | Kobalt = (look above) |
In Slovenian | → Chemistry |
| Co | Кобалт = (look above) |
In Serbian | → Chemistry |
| Co | Cobalt = (look above) |
In Saterland Frisian | → Chemistry |
| Co | Kobolt = (look above) |
In Swedish | → Chemistry |
| Co | Kobalti = (look above) |
In Swahili | → Chemistry |
| Co | Кобалт = (look above) |
In Tajik | → Chemistry |
| Co | โคบอลต์ = (look above) |
In Thai | → Chemistry |
| Co | Kobalt = (look above) |
In Turkish | → Chemistry |
| Co | Кобальт = (look above) |
In Ukrainian | → Chemistry |
| Co | Kobalt = (look above) |
In Uzbek | → Chemistry |
| Co | Kobalt = (look above) |
In Polish | → Chemistry |
| Co | Cobalt = (look above) |
In Occitan | → Chemistry |
| Co | Cobalto = (look above) |
In Italian | → Chemistry |
| Co | コバルト = (look above) |
In Japanese | → Chemistry |
| Co | ridjinme = (look above) |
In Lojban | → Chemistry |
| Co | ಕೊಬಾಲ್ಟ್ = (look above) |
In Kannada | → Chemistry |
|