| Acronym | Meaning |
| IPHAS | The INT/WFC Photometric H-alpha Survey Of The Northern Galactic Plane |
| SWICH | Solid Waste Information Clearinghouse And Hotline |
| HPA | Hybridization Protection Assay |
| SFF | Solid Freeform Fabrication |
| DWA | Digital Waveform Acquisition |
| AWQC | Ambient Water Quality Criteria |
| CIA | Capillary Ion Analysis |
| IPP | Isotactic Polypropylene |
| NPCVD | Normal Pressure Chemical Vapor Deposition |
| NWPA | Nuclear Waste Policy Act |