| Acronym | Meaning |
| SAW | Submerged Arc Welding |
| CPDW | Circumpolar Deep Water |
| CCSDTQ | CCSDT (with) Quadruple (excitations) |
| OPM | Open Path Monitors (air Pollution Sensors) |
| HAGIS | Headspace Analysis Gas-phase Infrared Spectroscopy |
| DPC | Differential Phase Contrast |
| AMWA | American Metropolitan Water Association |
| LCP | Local Complex Potential (in Electron-atom Scattering) |
| CANDA | Computer Aided New Drug Application |
| AOIPS | Atmospheric And Oceanographic Information Processing System |