| Acronym | Meaning |
| NRAO | National Radio Astronomy Observatory |
| ESE | Exact Static-exchange (approxn. In Scattering Calcns.) |
| MCS | Multiple Cloning Site |
| HEM | Heat-exchanger Method (in Manuf. Of Crystalline Silicon) |
| AOCI | Airborne Ocean Color Imager |
| ECISDTQ | Size-extensive CISDTQ |
| ATF | Advanced Toroidal Facility |
| IHC | Intrinsic Coercivity |
| MED | Mean Effective Dose |
| MAST | Marine Science And Technology Programme |