| Acronym | Meaning |
| CCNY | City College Of New York |
| DRA | Defense Research & Applications |
| ORB | Object Request Broker |
| ACO/UK | ACO/United Kingdom |
| NASCOM | NASA Communications Network |
| ABC | Accelerator-based Conversion |
| ETAG | Educational Technologies Assistance Group |
| PVC | Polyvinyl Chloride |
| HIRRLS | High Resolution Research Limb Sounder |
| CCM4 | Community Climate Model 4 |