| Abbreviation | Definition |
|---|---|
| MEI | Mechanical Electrical and Instrumentation |
| MEI | Methode Electronics Inc |
| MEI | Morgan Electric Inc |
| MEICA | Mechanical Electrical Instrumentation Control and |
| MEICA | Mechanical Electrical Instrumentation Control and Automation |
| MEICA | Mechanical Electrical Instrumentation Controls Automation |
| MEIMA | Main Electrical Input Memphis Airport |
| MEIS | Medium Energy Ion Scattering |
| MEK | Methyl Ethyl Ketone |
| MEL | Malfunctioning Electronic Logician |
| MELF | Metal Electrode Face (discrete leadless component) |
| MELTS | Mechanical Electrical Light Thermal And Sound |
| MEM | Manufacturing Equipment Monitor |
| MEM | Micro-Electro-Mechanical |
| MEM | Midland Electrical Manufacturing |
| MEME | Mom Eats Macaroni Electronics |
| MEMS | Micro Electrical Mechanical Systems |
| MEMS | Micro Electronic Mechanical System |
| MEMS | Micro Electronic Mechanical Systems |
| MEMS | Micro-Electro-Mechanical System |