| Acronym | Meaning |
| CCRM | Coupled-channel Reactance Matrix (in Atom Surface Scattering) |
| FERMCO | Fernald Environmental Restoration Management Corporation |
| SOCMI | Synthetic Organic Chemical Manufacturing Industry |
| ICSI | Intracytoplasmic Sperm Injection |
| CC-DQMC | Clamped-coordinate Diffusion Quantum Monte Carlo |
| DAW | Dry Active Waste |
| BMS | Buried Metallic Sulfide |
| LEIR | Low Energy Ion Ring |
| FGRM | Fourier-grid R-matrix Formalism (in Scattering Problems) |
| EOSDIS | Earth Observing System Data Information System |