| Acronym | Definition |
|---|
| PSEC➣Picosecond |
| PSEC➣Puget Sound Engineering Council (Washington) |
| PSEC➣Provably Secure Elliptic Curve (public key encryption) |
| PSEC➣Public Safety Enterprise Communication (California) |
| PSEC➣Purdue Student Education Council (Indiana) |
| PSEC➣Plastic Surgery Education Campaign (American Society of Plastic Surgeons) |
| PSEC➣Process Systems Engineering Consortium (various universities) |
| PSEC➣Pressure Switch End Cap (TacStar) |
| PSEC➣Power System Education Committee (IEEE Power Engineering Society) |
| PSEC➣Professional Staff Executive Committee (Columbia University) |
| PSEC➣Polling Station Electoral Commission (Russian Federation) |
| PSEC➣Public Services Executive Committee (Cornell University) |
| PSEC➣Please See Embedded Comments (email) |