| Acronym | Meaning |
| MAG | Metal Arc Gas (welding) |
| NACLA | The National Cooperation For Laboratory Accreditation |
| SLP | Sea Level Pressure |
| PTRI | Programmed Temperature Retention Index |
| TPRRS | Transient Photoinduced Resonant Raman Scattering |
| CCW | Charge Current Wave (type Of Hartree-Fock Wave Function) |
| MSS | Multispectral Scanner |
| SCATMES | Scanning Camera And Target Measurement System |
| FF-MBPT | Finite-field Many-body Perturbation Theory |
| LOM | Laminated Object Manufacturing |