| Acronym | Meaning |
| CXMS | Conversion X-ray Mossbauer Spectroscopy |
| FOPIM | First Order Perturbation Iteration Method |
| RDS | Reflectance-difference Spectroscopy |
| SSHF | Spin-symmetrized Hartree-Fock (wave Function) |
| CFM | Contamination-free Manufacturing |
| NIRIS | Near-infrared Imaging Spectroscopy |
| BMR | Basal Metabolic Rate |
| PIHMC | Path Integral Hybrid Monte Carlo |
| LFC | Lowest Feasible Concentration |
| APSG | Antisymmetrized Product Of Strongly Orthogonal Geminals (variant Of Multiconfiguration Self-consistent Field Method) |