| Acronym | Meaning |
| NASO | Nasmyth Adaptive Optics System |
| NBS | Nijmegen Breakage Syndrome |
| NVPA | No-virtual-pair Approxn. |
| HWRAP | Hazardous Waste Remedial Actions Program |
| BTDC | Before Top Dead Center |
| DAP | Diallyl Phthalate |
| THAA | Total Hydrolyzable Amino Acids |
| ISVS | In Situ Vapor Stripping |
| SFRC | Spruce-Fir Research Cooperative |
| TDCC | Time-dependent Close-coupling |