| Acronym | Meaning |
| MOSIS | Metal Oxide Semiconductor Implementation Service |
| PRDDO | Partial Retention Of Diatomic Differential Overlap |
| MPR | Maximum Permissible Risk |
| CMT | Computed Microtomography |
| IMFP | Inelastic Mean Free Paths |
| UCT | University Of Cape Town |
| MSUD | Maple Syrup Urine Disease |
| PHDD | Polyhalogenated Dibenzodioxin(s) |
| RIR | Reference-intensity Ratio |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |