| Acronym | Meaning |
| BWEN | Brillouin-Wigner (second-order Perturbation Theory With) Epstein-Nesbet (energy Denominators) |
| NASA | National Aeronautics And Space Administration |
| KSR | Kinase Suppressor Of Ras |
| TMAH | Tetramethylammonium Hydroxide |
| APS | Atom Probe Spectroscopy |
| ARM | Atomic Resolution Microscope |
| DEM | Digital Elevation Model |
| WPI | Whey Protein Isolate |
| FOURPI | Fourier Path Integral |
| ASHAA | Asbestos School Hazard Abatement Act |