| Acronym | Meaning |
| CISP | Canadian Indoor Source Profile |
| LDL | Low Density Lipoprotein |
| NEDS | National Emission Data System (USEPA) |
| STAIRS | Storage And Information Retrieval System |
| BNFL | British Nuclear Fuels Laboratory |
| CIMF | Computer-integrated Manufacturing Framework |
| PTA | Pulse Thermal Analysis |
| CCM | Coupled-cluster Method (for Energy Level Calculations) |
| TM | Thematic Mapper (Remote Sensing) |
| LFECA | Low Frequency Eddy Current Array |