| Acronym | Meaning |
| BRNO | Best Radial Natural Orbital |
| COC | Cyclic Olefin Copolymers |
| APWA | American Public Works Association |
| SAP | Sampling And Analysis Program |
| CIDR | Controlled-internal Drug Release |
| GCOS | Global Climate Observing System (WMO |
| ISDN | Integrated Services Digital Network |
| SR-CCD | Single Reference-CCD |
| NIS | Neutron Inelastic-scattering |
| TPRS | Temperature Programmed Reaction Spectrometry |