| Acronym | Meaning |
| MAS | Magic Angle Spinning (solid State NMR) |
| AFBS | Anaerobic Fluidized Bed Systems |
| BALF | Bronchoalveolar Lavage Fluid |
| NAI | Neutral Atom Imaging (astronomical Plasmas) |
| APF | Advanced Particle Filter |
| OAQPS | Office Of Air Quality Planning And Standards |
| FO-CPHF | First-order Coupled Perturbed Hartree-Fock Theory |
| BNFL | British Nuclear Fuels Laboratory |
| MAO | Methyl Aluminoxanes |
| NCI | National Cancer Institute |