| Acronym | Meaning |
| MS-RHFR | Momentum-space Restricted Hartree-Fock-Roothaan |
| EMS | Environmental Management System |
| AMC | Airborne Molecular Contamination |
| CGF | Coulomb Green Function |
| CBF | Core-binding Factor |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |
| PWG SCF | Plane-wave Gaussian Self-consistent Field Method |
| NOAA | National Oceanic And Atmospheric Administration |
| UFFI | Urea-formaldehyde Foam Insulation |
| BESOI | Bonded And Etched-back Silicon-on-insulator |