| Acronym | Meaning |
| HSI | Hyperthermal Surface Ionization |
| LOPAC | Library Of Pharmacologically Active Compounds |
| ACOP | Approved Code Of Practice (UK) |
| FAM | Friable Asbestos-containing Material |
| NWRI | National Water Research Institute (Burlington |
| ASW | Axial Spin Wave (type Of Hartee-Fock Wave Function) |
| TDCC | Time-dependent Close-coupling |
| VSFG | Vibrational Sum-frequency Generation |
| STODI | Slater-type Orbital-point Dipole Interaction (in Mol. Polarizability Calcns.) |
| APS | American Physical Society |