| Acronym | Meaning |
| RCCSD | (spin) Restricted CCSD |
| ESPT | Excited-state Proton Transfer |
| DWDM | Dense Wavelength Division Multiplexing |
| PSNO | Pseudonatural Orbital |
| PAO | Pseudo-atomic Orbital |
| SCM | Scanning Capacitance Microscopy |
| GGWPD | Generalized Gaussian Wave-packet Dynamics |
| BEA | Binary Encounter Approximation |
| AMORS | Atomic Magnetooptic Resonance Spectroscopy |
| AB | Arc Brazing |