| Acronym | Definition |
|---|
| USEC➣Microsecond |
| USEC➣Umts Security |
| USEC➣User Based Security Model |
| USEC➣United States Enrichment Corporation |
| USEC➣United States East Coast |
| USEC➣United States Eurasier Club (Fairfax, VA) |
| USEC➣Unity Security Force (gaming) |
| USEC➣Universal Services Echo Canceller |