| Acronym | Meaning |
| IEIS | Integrated Earth Information Server |
| IRD | Instrument Requirement Document |
| ELVIS | Export Licensing Voice Information System |
| VSM | Vertical Slab Model |
| HTO | Tritiated Water |
| AM | Amplitude Modulation |
| ACR | Active Cavity Radiometer |
| LEARN | Laboratory Experience In Atmospheric Research |
| SLAC | Stanford Linear Accelerator Center (or Collider) |
| NASW | National Association Of Science Writers |