| Acronym | Meaning |
| TDCR | Triple To Double Coincidence Ratio |
| MR-MBPT | Multireference-many-body Perturbation Theory |
| EMBR | Electromagnetic Brakepar |
| SALS | Small-angle Light Scattering |
| NSPS | New Source Performance Standards |
| MSI | Microsatellite Instability |
| SSSD | Small-scale, Short-duration |
| PSTM | Photon Scanning Tunneling Microscopy |
| CC | Coupled-cluster (quantum Calcn. Method) |
| OCOS | Orbital Charge-ordering State |