| Acronym | Meaning |
| LEDA | On-line Earthnet Data Access |
| FFT | Fast Fourier Transform |
| MICRO-SCALE | N/A |
| AARP | American Association Of Retired People |
| HSCT | High Speed Civil Transport |
| AXAF | Advanced X-ray Astrophysics Facility |
| FORTRAN 77 | N/A |
| SEAB | Secretary Of Energy Advisory Board |
| CDIAC | Carbon Dioxide Information Analysis Center |
| DGPS | Differential Global Positioning System |