| Acronym | Meaning |
| PAB | Passenger-side Air Bag |
| THC | Total Hydrocarbon |
| TOPSE | Tropospheric Ozone Production About The Spring Equinox |
| NWWA | Northwest Water Authority (UK) |
| PAPVD | Plasma-assisted Physical Vapor Deposition |
| NERD | Neutron Elastic Recoil Detection |
| ODF | Orientation Distribution Function |
| PFGSTE | Pulsed Field Gradient Stimulated Echo |
| RCR | Respiratory Control Ratio |
| PACS | Physics And Astronomy Classification Scheme |