| Acronym | Meaning |
| RSMST | Real-space Multiple-scattering Theory (in Electronic Structure) |
| JSR | Jet-stirred Reactor |
| PLID | Pulsed Laser Induced Desorption |
| TAD | Thermophilic Aerobic Digestion (of Sewage Sludge) |
| EAF | Electric Arc Furnace |
| HHH | Henon-Heiles Hamiltonian |
| CFRT | Continuous Fiber Reinforced Thermoplastic Composite |
| REACCS | Reaction Access System |
| CGCT | Constrained Geometry Catalyst Technology [polymerization] |
| AME | Apparent Metabolizable Energy |