| Acronym | Meaning |
| SQN | Squadron |
| EEK | Estonian Kroon (ISO 4217 Currency Code) |
| DIP | Dual In-line Package (electronics) |
| KA | Kiloampere |
| DSP | Defense Standardization Program - Defense Support Program - Digital Signal Processing |
| MMCS | Machinist's Mate |
| WRVS | Women's Royal Voluntary Service |
| ZS | Zeptosecond |
| DSC | Differential Scanning Calorimeter - Digital Selective Calling - Digital Still Camera - Distinguished Service Cross - Doctor Of Surgical Chiropody (obsolete) - Document Structure Convention (PostScript Programming) - Dynamic Stability Control |
| OTC | Over-The-Counter (drugs) |