| Acronym | Meaning |
| NPRA | National Petroleum Refiners Association |
| PDT | Photodynamic Therapy |
| LCGTO | Linear Combination Of Gaussian Type Orbitals |
| NERC | North American Electric Reliability Council |
| ATBN | Amine Terminated Butadiene Acrylonitrile (rubber) |
| HIMU | High U/Pb Mantle (component) |
| SFORD | Single Frequency Off Resonance Decoupling |
| ACNK | Al2O3/(CaO + Na2O + K2O) |
| SMA | Spinal Muscular Atrophy |
| BMP | Biochemical Methane Potential |