| Acronym | Definition |
|---|
| E&M➣Ear & Mouth (telephone signaling) |
| E&M➣Entertainment & Media |
| E&M➣Engineering and Manufacturing |
| E&M➣Electrical & Mechanical |
| E&M➣Electricity and Magnetism (physics course) |
| E&M➣Evaluation and Management |
| E&M➣Evaluation & Management |
| E&M➣Earth-and-Magnet Lead Signaling |
| E&M➣Etna & Montrose Railroad |