| Acronym | Meaning |
| PCILOCC | PCILO For Crystal Calculations |
| WHIMS | Wet High Intensity Magnetic Separation |
| ATE | Automatic Test Equipment |
| MRP | Medical Removal Protection |
| SAM | Stratospheric Aerosol Monitor |
| CMR | Colossal Magnetoresistance |
| MODULUS | Methods Of Determining And Understanding Light Elements From Unequivocal Stable Isotope Compositions |
| CTC | Charge-transfer Complex |
| DMICS | Design Methods For Integrated Control Systems [propulsion] |
| INDO/SP | Intermediate Neglect Of Differential Overlap/spin Polarization |