| Acronym | Meaning |
| LEAP | Local-electrode Atom Probe |
| QTST | Quantum Transition State Theory |
| IFRTS | Internal-floating-roof Tanks |
| BNA | Bureau Of National Affairs |
| GCMC | Grand Canonical Monte Carlo |
| OSRHF | Open-shell Restricted-Hartree-Fock |
| EIGA | European Industrial Gases Association |
| IFPMA | International Federation Of Pharmaceutical Manufacturers Associations |
| BWO | Backward Wave Oscillator |
| CCFL | Cold Cathode Fluorescent Lamp |