| Acronym | Meaning |
| SPO | Sacramento Peak Observatory |
| ISMP | In-Situ Measurements Project |
| PAIR | Particulate Airborne Inlet Research |
| BPSG | Budget Planning And Systems Group |
| AIX | Advanced Interactive Executive |
| MP | Mono-processing |
| NCAR | N/A |
| DWB | Library |
| GMD | Geometric Mean Diameter |
| MASSCOMP | Massachusetts Computer Corporation |