| Acronym | Meaning |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| IEMM | Incident Energy Modulation Method |
| IPAN | Imaging Passive-active Neutron |
| INRS | Institut National De Recherche Et De Securite (Paris |
| CRL | Certified Reporting Limit |
| RLV | Reusable Launch Vehicles (aeronautics) |
| BBO | Bonding Bond Orbital |
| SENSOR | Sentinel Event Notification Systems For Occupational Risks |
| MNDOD | Modified Neglect Of Diatomic Overlap With D At. Orbitals |
| SOCI | Society Of Chemical Industry |