| Acronym | Meaning |
| ABG | Arterial Blood Gas |
| NWEA | National Wood Energy Association |
| CRHF | Complex-restricted Hartree-Fock |
| PMO | Perturbed Morse Oscillator (model Potential) |
| EHM | Extended Hubbard Model (hamiltonian) |
| PSD | Particle Size Distribution |
| FBR | Fast Breeder Reactor |
| PSII | Photosystem II |
| AHR | Airway Hyperresponsiveness |
| PTM | Posttranslational Modification |