Emission
- Air pollution
- Ejaculation
- Emission (radiocommunications)
- Emission coefficient
- Emission line
- Emission nebula
- Emission of greenhouse gases
- Emission spectrum
- Emission standard
- Emission theory (relativity)
- Emission theory (vision)
- Emissions control (disambiguation)
- Emissions trading
- Emit (disambiguation)
- Emitter (disambiguation)
- Exhalation
- Exhaust gas
- Flue gas
- List of light sources
- Nocturnal emission
- Noise
- Thermal emission
- Thermionic emission