| Acronym | Meaning |
| MICR | Magnetic Ink Character Reader |
| LRIR | Limb Radiance Inversion (or Infrared) Radiometer |
| APE | Action Plan Element |
| MIP | Millions Of Instructions Per Second |
| IFYGL | International Field Year For The Great Lakes |
| NFS | Network File System |
| CASC | Coalition For Academic Supercomputer Centers |
| CDHF | Central Data Handling Facility |
| SCMS | Software Configuration Management Section |
| ESU | Electrostatic Unit |