| Acronym | Meaning |
| QLDA | Quasilocal Density Functional Approxn. |
| RVDT | Rotary Variable Differential Transformer |
| SR-CCSD | Single Reference-CCSD |
| TDFGH | Time-dependent Fourier Grid Hamiltonian (method) |
| XAPS | X-ray Appearance Potential Spectroscopy |
| AFR | Air To Fuel Ratio |
| ROC | Receptor-operated Ca2+ Channel |
| ATLAS | A Toroidal LHC Apparatus |
| MBS | Minimum Basis Set Wave Function |
| PETP | Poly(ethylene Terephthalate) |