English abbreviations from cel to cenelec
- CEL (Cape Eleuthera Airport)
- CELA (Canadian Environmental Law Association)
- CELC (Connecticut Experiential Learning Center)
- CELL (Collectively Explorative Learning Labs)
- CELLA (Comprehensive English Language Learning Assessment)
- CELP (Code Excited Linear Projection)
- CELT ((telescope) California Extremely Large Telescope, an older name for the Thirty Meter Telescope)
- CELTA (Certificate in English Language Teaching to Adults)
- 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)