| Acronym | Meaning |
| IRI | Interfaculty Reactor Institute |
| OAO | Orthogonalized Atomic Orbital |
| AQCC | Air Quality Control Center |
| EPC | Epoxy Polymer Concrete |
| EHMO | Extended Hueckel Molecular Orbital |
| ESFF | Extensible Systematic Force Field |
| THM | Transcorrelated Hamiltonian Method |
| PLL | Phase Locked Loop |
| MDW | Mixed Density Wave |
| SOPPA | Second-order Polarization Propagator Approxn. |