| Acronym | Meaning |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| I AND C | Instrumentation And Control |
| PAT | Proficiency Analytical Testing (NIOSH) |
| RBF | Renal Blood Flow |
| AFGL | Air Force Geophysics Laboratory |
| HNFETB | Hybridization Of Nearly Free Elctrons With Tightly Bound States (for Band-structure Calcns.) |
| FOWL | Fossil Fuel Waste Leaching (computer Program) |
| SOM | Scanning Optical Microscope |
| NLLS | Nonlinear Least Squares |
| PACS | Physics And Astronomy Classification Scheme |