| Acronym | Meaning |
| APD | Action Potential Duration |
| AFIS | Advanced Fiber Information System |
| IMAC | Immobilized Metal Ion Affinity Chromatography |
| USJ | Ultra-shallow Junction |
| AAIP | American Association Of Investigative Pathologists |
| PCR | Principal Component Regression |
| BIRD | Bilinear Rotation Decoupling |
| TTP | Thrombotic Thrombocytopenic Purpura |
| ECSPM | Electrochemical Scanning Probe Microscopy |
| ADIS | Advanced Drilling Information System [petroleum] |