| Acronym | Meaning |
| ADAF | Advection-dominated Accretion Flow |
| RRS | Resonance Raman Spectroscopy |
| AMTIR | Amorphous Material Transmitting Infrared Radiation |
| PSA-CCSD | Partially Spin Adapted-CCSD |
| RHFS | Relativistic Hartree-Fock-Slater |
| POSCO | Pohang Steel Company |
| CCSDT | Coupled Cluster With Single |
| OUST | Office Of Underground Storage Tanks |
| SHOA | Second-harmonic Optical Activity |
| HIP | Hot Isostatic Pressing |