| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CDPA | Classified Data Preparation Area | In English | |
| CDPD | Cellular Digital Packet Data | In English | → Data → Telecommunications |
| CDPIS | Command Data Processing and Instrumentation System | In English | → Data processing → Electronics |
| CDQR | Critical Design and Qualification Review | In English | |
| CDR | Cleaning, Decontamination & Request | In English | |
| CDR | Command Destruct Receiver | In English | |
| CDR | Conceptual Design Review | In English | |
| CDR | Configuration Design Review | In English | |
| CDR | Contract Data Requirements | In English | → Contract law |
| CDR | Critical Design Review | In English | |
| CDRI | Cambodia Development Resource Institute | In English | |
| CDRL | Contract Data Requirements List | In English | → Contract law |
| CDRR | Contract Documentation Requirements Record | In English | → Contract law |
| CDRS | Contract Data Requirements Schedule | In English | → Contract law |
| CDS | Command and Data Subsystem | In English | → Computer hardware → Data processing |
| CDS | Cavity Digitizing System | In English | |
| CDS | Control and Display System | In English | |
| CDS | Control Data System | In English | |
| CDS | Controller Select Direction | In English | |
| CDS | Coupling Display System | In English | |
| CDS | Closeout Door System | In English | |
| CDS | Cold-Drawn Steel | In English | |
| CDS | Computer Design and Simulation | In English | → Computer-based techniques |
| CDS | Configuration Design System | In English | |
| CDS | Configuration Development System | In English | |
| CDS | Consolidated Direct Support | In English | |
| CDS | Cognitive Development Society | In English | → Organizations and associations → Psychology |
| CDS | Communicative Disorders and Science | In English | |
| CDSC | Communication Distribution and Switching Center | In English | |
| CDSC | Coupling-Display Scanning-Telescope Manual Control | In English | |
| CDSF | Commercially Developed Space Facility | In English | → Astronomy → Astronautics |
| CDSL | Computer Data System Laboratory | In English | → Research institutes → Data |
| CDSR | Contract Data Status Report | In English | → Contract law |
| CDSR | Cost Data Summary Report | In English | → Prices |
| CDT | Central Daylight Time | In English | |
| CDT | Command Descriptor Table | In English | |
| CDT | Compressed Data Tape | In English | |
| CDT | Configuration Data Table | In English | → Data |
| CDT | Countdown Time | In English | |
| CDT | Connaissance des Temps | In English | → Serial publications, periodicals → Astronomy |
| CDTD | Comparative Dictionary of Tibetan Dialects | In English | → Dictionaries → Linguistics |
| CDTD | CAD Drafting & Tool Design Technology | In English | → Computer-based techniques |
| CDU | Computer Display Unit | In English | → Human-computer interaction → Computer hardware |
| CDU | Coupling Data Unit | In English | → Data |
| CDU | Coupling Display Unit | In English | → Human-computer interaction |
| CDU | CRT Display Unit | In English | → Human-computer interaction |
| CDU | Clinical Decision Unit | In English | → Medicine → 61608 |
| CDUO | Coupling Display Unit Optics | In English | → Human-computer interaction |
| CDV | Concept Definition and Validation | In English | |
| CDV | Committee Draft for Voting | In English | |
| CDW | Command Data Word | In English | → Data |
| CDW | Computer Data Word | In English | → Computer science |
| CDW | Control Data Word | In English | |
| CE | Cargo Element | In English | |
| CE | Change Engineer | In English | |
| CE | Change Evaluation | In English | |
| CE | Civil Engineering | In English | → Civil engineering → Construction |
| CE | Control Element | In English | |
| CE | Cost Element | In English | → Prices |
| CE | Crew Equipment | In English | |
| CE | Current Expendable | In English | |
| CE | Corps of Engineers | In English | → Engineering, technology |
| CEA | Center for Extreme Ultraviolet Astrophysics | In English | → Research institutes → Astronomy → Optics → Astronautics |
| CEA | Circular Error Average | In English | → Mathematics |
| CEA | Computer Engineering Associates | In English | → Computer science |
| CEA | Control Electronics Assembly | In English | → Electronics |
| CEA | Cambridge Electron Accelerator | In English | → Nuclear, atomic, and molecular physics → United States |
| CEA | Consumer Electronics Association | In English | → Associations → Electronics |
| CEA | Control Element Assembly | In English | → Engineering, technology |
| CEA | Council of Economic Advisors | In English | → Economics |
| CEA | Control Effectiveness Assessment | In English | |
| CEA | Comité Européen des Assurances | In English | → Insurance |
| CEAB | Central European Astrophysical Bulletin | In English | → Serial publications, periodicals → Astronomy |
| CEAL | Council on East Asian Libraries | In English | → Libraries → Organizations and associations |
| CEAS | Centre for East Asian Studies | In English | → Language, linguistics, literature → Geography, biography, history |
| CEB | Council of Europe Development Bank | In English | → International relations → Development |
| CEB | Comité Électrotechnique Belge = BEC | Belgisch Elektrotechnisch Comité | In Dutch |
In English | → Standardization → Electrical engineering → Belgium |
| CEC | Center for Economic Catch-up | In English | → Economics |
| CEC | Civil Engineering Corps | In English | → Military affairs → Civil engineering |
| CEC | Consolidated Electrodynamics Corporation | In English | → Electrical engineering |
| CEC | Consolidated Electronics Corporation | In English | → Electronics |
| CEC | Control Electronics Container | In English | → Electronics |
| CEC | Control Encoder Coupler | In English | |
| CEC | Continuing Education Center | In English | → Education |
| CEC | Council for Exceptional Children (www.cec.sped.org) | In English | → Organizations and associations → Education |
| CEC | Commission for Environmental Cooperation | In English | → Organizations and associations → International relations → Environmental protection |
| CEC | Commission of the European Communities | In English | → European Union |
| CEC | Central Election Commission | In English | → Elections |
| CECB | Coupon-Eligible Converter Box | In English | → Telecommunications |
| CECC | Congressional-Executive Commission on China (www.cecc.gov) | In English | → International relations → Parliaments, representation → China |
| CECC | CENELEC Electronic Components Committee | In English | → Electrical engineering → Electronics |
| CECE | Committee for the European Construction Equipment (www.cece-eu.org) | In English | → Organizations and associations → Civil engineering → Construction |
| CECOG | Central European Cooperative Oncology Group | In English | → Organizations and associations → Oncology |
| CECP | Compatibility Engineering Change Proposal | In English | |
| CED | Centre for Education & Documentation | In English | → Documentation → Education |
| CEDAR | Center of Excellence for Document Analysis and Recognition | In English | → Research institutes → Documentation |
| CEDAW | Committee for the Elimination of Discrimination against Women | In English | → Organizations and associations → Feminism |
| CEDAW | Convention on the Elimination of all Forms of Discrimination against Women | In English | → Fundamental rights → Feminism |
| CEDC | Cyclic Error Detection Code | In English | |
| CEDEFOP | Centre Européen pour le Développement de la Formation Professionnelle | In English | → Labour, labour economics → Education |
| CEDEM | Center for democracy and human rights = CEDEM | Centar za demokratiju i ljudska prava | In Serbian |
In English | → Research institutes → Democracy → Human rights |
| CEDi | Continuous Electro-Deionisation | In English | → Environmental technology, water supply, waste management |
| CEE | Central Eastern Europe | In English | → Geography → Europe |
| CEE | Computers and Electrical Engineering | In English | → Serial publications, periodicals → Computer science → Electrical engineering |
| CEED | Comprehensive English-Esperanto Dictionary | In English | → Dictionaries → Artificial languages (linguistics) |
| CEEJ | Canadian Electrical Engineering Journal | In English | → Serial publications, periodicals → Electrical engineering → Canada |
| CEEMAN | Central and Eastern European Management Development Associations | In English | → Associations → Management |
| CEEP | Composite Entry Evaluation Program | In English | |
| CEEPUS | Central European Exchange Program for University Studies (www.ceepus.info) | In English | → International relations → Higher education, universities |
| CEESE | Centre for Economic and Social Studies on the Environment | In English | → Sociology → Economics |
| CEEVN | Center for Educational Exchange with Vietnam | In English | → Education |
| CEF | (The) China and Eurasia Forum | In English | → China |
| CEFPI | Council of Educational Facility Planners International (www.cefpi.org) | In English | → Organizations and associations → Education |
| CEFTA | Central European Free Trade Agreement | In English | → Associations → Trade |
| CEG | Calligraphy Education Group | In English | → Writing systems → Education → Language, linguistics, literature |
| CEG | Cognitive Ergonomics Group | In English | → Organizations and associations → Human-computer interaction |
| CEGPA | Community, Education, Government and Public Affairs | In English | → Education |
| CEHI | Caribbean Environmental Health Institute (www.cehi.org.lc) | In English | → Medicine |
| CEHM | Companion Encyclopaedia of the History of Medicine | In English | → Dictionaries → Medicine → History |
| CEI | China-Europe Institute | In English | → International relations → China |
| CEI | Configuration End Item | In English | |
| CEI | Contract End Item | In English | → Contract law |
| CEI | Central European Initiative | In English | → International relations |
| CEI | Curiosity Exploration Inventories | In English | |
| CEIAC | Coastal Engineering Information Analysis Center | In English | |
| CEIBS | China Europe International Business School (www.ceibs.edu) | In English | → Economics → Specialized or polytechnical colleges → China |
| CEIRD | Center of Environmental Issues and Regional Development | In English | → 5023 → Regional planning |
| CEIS | Combined Elements and Integrated Systems | In English | |
| CEIS | Contract End Item Specification | In English | → Contract law |
| CEIT | Cargo Equipment Integrated Test | In English | |
| CEIT | Crew Equipment Integration Test | In English | |
| CEIT | Crew Equipment Interface Test | In English | → Human-computer interaction |
| CEIT | Central European Institute of Technology | In English | |
| CEJ | Chemistry European Journal | In English | → Serial publications, periodicals → Chemistry |
| CEJIL | Center for Justice and International Law (www.cejil.org) | In English | → Organizations and associations → International law → Fundamental rights |
| CEJPh | Central European Journal of Physics | In English | → Serial publications, periodicals → Physics |
| CeLCAR | Center for the Languages of the Central Asian Region | In English | → Linguistics |
| CELE | Committee on Evaporation Loss Estimation | In English | → Mining → 665 |
| CELSS | Controlled Ecological Life Support System | In English | → Ecology |
| CELV | Commercial Expendable Launch Vehicle | In English | → Vehicle engineering |
| CEM | Cost Estimating Method | In English | → Prices |
| CeMDA | Celestial Mechanics and Dynamical Astronomy | In English | → Serial publications, periodicals → Astronomy |
| CeMec | Celestial Mechanics | In English | → Serial publications, periodicals → Astronomy |
| CEMF | Counterelectromotive Force | In English | |
| CEMS | Community of European Management Schools | In English | → Organizations and associations → Specialized or polytechnical colleges → Management |
| CEN | Creative Environmental Networks | In English | → Organizations and associations → Environmental protection |
| CENEf | Center for Energy Efficiency | In English | → Energy economics |
| CENTACS | Center for Tactical Communications Systems | In English | → Telecommunications → Military engineering |
| CENTAG | Central Army Group | In English | → Military affairs |
| CENTO | Central Treaty Organization | In English | → International relations → Military affairs |
| CEnTp | Engineering Thermophysics China | In English | → Serial publications, periodicals → Thermodynamics → Engineering, technology → China |
| CEO | Chief Engineer's Office | In English | |
| CEO | Chief Executive Officer | In English | → Management |
| CEOA | Central European Operating Agency | In English | → Military affairs |
| CEOP | Coordinated Energy and Water Cycle Observing Period (www.ceop.net) | In English | → Meteorology, climatology → Hydrology |
| CEP | Circle of Equal Probability | In English | → Mathematics |
| CEP | Circular Error Probability | In English | → Mathematics |
| CEP | Comsec Equipment Program | In English | |
| CEP | Configuration Evaluation Plan | In English | |
| CEP | Continuing Education Programs | In English | → Education |
| CEP | Counseling and Education Psychology | In English | → Psychology → Education |
| CEP | Concept Evaluation Program | In English | |
| CEPICI | Centre de Promotion des Investissements en Côte d'Ivoire | In English | → 33972 |
| CEPIS | Council of European Professional Societies | In English | → Organizations and associations |
| CEPS | CITS Expert Parameter System | In English | |
| CEPS | Centre for Educational Policy Studies = CEPS | Center za študij edukacijskih strategij | In Slovenian |
In English | → Education |
| CEQ | Council on Environmental Quality | In English | |
| CER | Cost Estimating Relationship | In English | → Prices |
| CERC3 | Chairmen of the European Research Councils' Chemistry Committees | In English | → Organizations and associations → Research policy → Chemistry |
| CERD | Committee on the Elimination of Racial Discrimination = CERD | Comité para la Eliminación de la Discriminación Racial | In Spanish |
In English | → United Nations → Fundamental rights |
| CERD | Convention on the Elimination of all forms of Racial Discrimination | In English | → Fundamental rights |
| CERES | Clouds and Earth's Radiant Energy System | In English | |
| CERF | Canine Eye Registration Foundation | In English | → Foundations → Ophthalmology → Veterinary medicine |
| CERIF | Common European Research Information Format | In English | → Research policy → Knowledge management |
| CERs | Certified Emission Reductions | In English | |
| CERT | Center for Education Resources and Technology | In English | → Research institutes → Education |
| CERTH | Centre for Research and Technology Hellas | In English | → Research policy → Engineering, technology |
| CES | Combined Earth Sensor | In English | → Astronautics |
| CES | Concept Evaluation Study | In English | |
| CES | Conical Earth Sensor | In English | → Astronautics |
| CES | Control Electronics Section | In English | → Electronics |
| CES | Crew Escape System | In English | → Astronautics |
| CES | Company for Energy Saving | In English | → Energy economics |
| CES | Consumer Electronics Show (www.cesweb.org) | In English | → Computer science → Electronics |
| CES | Centreon Enterprise Server | In English | → Software |
| CESA | Canadian Engineering Standards Association | In English | → Associations → Standardization → Engineering, technology → Canada |
| CESO | Canadian Executive Service Organization = SACO | Service d'Assistance Canadienne aux Organismes | In French |
In English | → Organizations and associations → Development → Canada |
| CESR | Central Eurasian Studies Review | In English | → Serial publications, periodicals → Area studies |
| CESS | Central Eurasian Studies Society (www.cess.muohio.edu) | In English | → Organizations and associations → Area studies |
| CESWW | Central Eurasian Studies World Wide | In English | → Language, linguistics, literature → Geography, biography, history |
| CET | Clutter Equivalent Target | In English | |
| CET | Combined Element Test | In English | |
| CETA | Crew and Equipment Translation Aid | In English | |
| CETF | Critical Evaluation Task Force | In English | |
| CETS | Contractor Engineering and Technical Services | In English | → Engineering, technology |
| CETS | Contractor Engineering Technical Support | In English | → Engineering, technology |
| CETS | Contractor Engineering Technical Services | In English | → Engineering, technology |
| CEU | Control Electronics Unit | In English | → Electronics |
| CEU | Central European University | In English | → Higher education, universities |
| CEUS | (Department of Central) Eurasian Studies | In English | → Language, linguistics, literature → Geography, biography, history |