| Abbreviation | Definition |
|---|---|
| Em | exameter |
| Em | exametre |
| EMF | ElectroMotive Force (Voltage) |
| EMU | Electric Multiple Unit |
| EMU | English Mass Unit |
| ENV | Envelope |
| ENV | European Norme Vorl |
| EOC | End Of Conversion |
| EPC | Earning Per Clicks |
| EPI | Ends Per Inch |
| EQ | Equal |
| ERU | Equivalent Residential Unit |
| ERU | Equivalent Runoff Unit |
| ES | Extra Seconds |
| EV | Electron Volts |
| EW | Equivalent Weight |
| F | Farad |
| F | First |
| F | Frequency |
| FC | Federal Credits |