| Acronym | Meaning |
| CHARMM | Chemistry At HARvard Macromolecular Mechanics |
| FIPS | Federal Information Processing Standard |
| NIRIM | National Institute For Research In Inorganic Materials |
| PCD | Photoconductive Decay |
| CD | Coulomb Dipole (in Electron-atom Impact Ionization Calcns.) |
| LNGFR | Low-affinity Nerve Growth Factor Receptor |
| ARM | Atomic Resolution Microscope |
| ASBF | Aerated Submerged Biological Filter |
| AERC | Association Of Ecosystem Research Centers |
| SAM | Scanning Acoustic Microscopy |