| Acronym | Meaning |
| NRAO | National Radio Astronomy Observatory |
| TBPO | Terbutylperoctoate |
| SCCSA | Self-consistent Central-site Approxn. (for D.-of-states) |
| FCD | Fault Consequence Digraph |
| CS | Crystal Structure |
| ARDEC | Armament Research |
| PPES | Photopyroelectric Spectroscopy |
| OCC | Organochlorinated Compound |
| MFE | Magnetic Field Effect |
| AOB | Ammonia Oxidizing Bacteria |