| Acronym | Meaning |
| PPAC | Parallel-plate Avalanche Counter |
| BTDA | 3,3',4,4'-benzophenonetetracarboxylic Dianhydride |
| AFFF | Aqueous Film-forming Foam |
| HMIP | Her Majesty's Inspectorate Of Pollution |
| MSO | Modified Slater Orbital |
| IAAD | Ion Assisted Arc Deposition |
| MQO | Measurement Quality Objective |
| TRACE | Transport And Atmospheric Chemistry Near The Equator |
| SDY | Spin Drawn Yarn |
| DMF | Drug Master File |