| Acronym | Meaning |
| FEM | Field-Electron Microscopy |
| LNT | Liquid Nitrogen Temperature |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| SEC | Sulfite Evaporator Condensate |
| AQMWA | Air Quality And Waste Management Association |
| MOFT | Minimum Oil Film Thickness |
| IPIRDW | Independent-process (and) Isolated-resonance (approxn. Using) Distorted Waves |
| ITC | International Translation Center |
| RSM | Reduction Symmetry Method (in Crystal Field Theory) |
| OESO | Ordnance Environmental Support Office (Navy) |