| Acronym | Meaning |
| EQO | Environmental Quality Objective |
| OPDIN | Ocean Pollution Data And Information Network |
| ARIPES | Angle-resolved Inverse Photoemission Electron Spectroscopy |
| MIS | Mobile Incineration System |
| PEN | Polyethylene Naphthalate |
| SDA | Strand Displacement Amplification |
| DVD | Digital Video Disk |
| GRWA | Generalized Rotating-wave Approxn. (in Energy Level Calcns.) |
| IVA | Intravehicular Activity (related To Spacecraft) |
| MOX | Mixed Oxide |