| Acronym | Meaning |
| GAPT | Generalized Atomic Polar Tensor |
| FRC | Federal Records Center |
| ACOPS | UK Advisory Committee Of Oil Pollution Of The Sea |
| GRIDS | Geographic Resources Information And Data System |
| SDSS | Sloan Digital Sky Survey |
| HMM | Hazardous Materials Management |
| CMAS | CaO-MgO-aluminum Oxide-silicon Dioxide |
| CGRO | Compton Gamma-Ray Observatory |
| GMAW | Gas Metal Arc Welding |
| AMI | Active Microwave Instrument |