English abbreviations from cem to ceo
- CEM (Central Airport)
- cem. (cemetery)
- CEMAC (Champion Eyes Martial Arts Centers)
- CEMC (Communications-Electronics Management Center)
- CEME (cement evaluation)
- CEMERS (CEnter for MEdieval and Renaissance Studies (Binghamton University))
- CEMF (Canadian Engineering Memorial Foundation)
- CEMLI (Configurations/Customization, Extension, Modification, internationalization and Localization, and Integration framework)
- CEMO (Complete Equipment Marching Order)
- CEMP ((celestial object) Carbon-Enhanced Metal-Poor, a type of carbon star)
- CEMP-no ((celestial object) Carbon-Enhanced Metal-Poor star with no enhancement of elements produced by the r-process or s-process nucleosynthesis)
- CEMP-r ((celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by r-process nucleosynthesis)
- CEMP-r/s ((celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by both r-process and s-process nucleosynthesis)
- CEMP-s ((celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by s-process nucleosynthesis)
- CEMS (Compound Element Mixture Solution)
- CEN (Ciudad Obregón International Airport)
- Cen. Eccl. (Censura Ecclesiastica ("Ecclesiastical Censure"))
- CENELEC (Comité Européen de Normalisation Electrotechnique)
- CENI (Community Evaluation Northern Ireland)
- CENR (Community Environment and Natural Resources)
- Cens. (Censuris ("Censures" abl. or dat. case))
- CENS (Center for Embedded Networked Sensing)
- CENSI (Center for Engineering Systems and Integration)
- CENTAF (CENTral Command Air Forces (9th Air Force))
- CENTAG (CENTral Army Group (Central Europe))
- CENTCOM (Central command)
- CENTO (Central Treaty Organisation or Baghdad Pact)
- CentOS (Community ENTerprise Operating System)
- CENTRIXS (Combined ENTerprise Regional Information eXchange System)
- CENTS (Cluster Excellence for Non-Teaching Staff)
- CENZUB (Centre d'entraînement aux actions en zone urbaine (French, "Urban Operations Training Centre"))
- CEO (Chief Executive Officer)