| Acronym | Meaning |
| DZRS | Double Zeta Roos-Siegbahn (wave Functions) |
| NCRDS | National Coal Resources Data System |
| FDTD | Finite-difference Time-domain |
| MSSA | Methicillin-susceptible Staphylococcus Aureus |
| NCBI | National Center For Biotechnology Information |
| IRF | Interferon Regulatory Factor |
| GW-PG | Gaussian-weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| NVLAP | National Voluntary Laboratory Accreditation Program |
| ABMA | American Boiler Manufacturers Association |
| TLA | Thin Layer Activation |