| Acronym | Meaning |
| ATA | Average T-matrix Approximation |
| MIS | Management Information System (OSHA) |
| GCFR | Gas-cooled Fast Reactor |
| ASFV | African Swine Fever Virus |
| SNPS | Space Nuclear Power System |
| APT | Analytic Perturbation Theory |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |
| IEC | Inertial Electrostatic Confinement |
| TMA | Thermomechanical Analysis |
| DPH | Diamond Pyramid Hardness |