| Acronym | Meaning |
| NPS | Numerical Product Service |
| SDM | Suit Of Software For UNIX-based Computing Platforms |
| AIS | Acceptable Intake For Subchronic Exposure |
| AE | Architect/engineer |
| ETIP | Experimental Technology Incentive Program |
| BRMS | Basin Rainfall Monitoring System |
| NSO | National Solar Observatory |
| LAMMR | Large Antenna Multichannel Microwave Radiometer |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| GWP | Global Warming Potential |