English abbreviations from sell to sen
- SELL (Special Education Leadership Liaison)
- SELRES (Selected Reserve)
- SELV (Safe Extra Low Voltage)
- SEM (Subsea Electronics Module)
- SEM/AVS (Simultaneously-Extracted Metals/Acid Volatile Sulfide)
- SEM — (i/a) Sensor Employment Manager (Switch to Email Mode, i.e. stop texting as it is more disruptive by making a sound or vibrating and email instead, for a given time)
- SEMA (Segmented Electro Magnetic Array)
- SEMCFC (SouthEast Michigan Combined Federal Campaign)
- SEME (School of Electrical and Mechanical Engineering)
- Semi (Semi-Submersible Drilling Rig)
- Semid. (Semiduplex ("Semi" double feast—Breviary))
- SEMISPIN (Semiconductor Software Process Improvement Network)
- SEMN (South East Media Network)
- SEMP (Seawater Electro Magnetic Propulsion)
- SEMS (Support For Ethnic Minority Students)
- SEMT (Signal Intelligence/ Electronic Warfare Equipment Maintenance Trainer)
- SEMTA (Science Engineering And Manufacturing Technologies Alliance)
- SEN (shell extended range NORICUM)