| Acronym | Meaning |
| HLNCC | High Level Neutron Coincidence Counter |
| QSSPC | Quasi-steady-state Photoconductance |
| GRHF | Generalized Restricted Hartree-Fock |
| DOAS | Differential Optical Absorption Spectroscopy |
| SCPT2 | Self-consistent Second-order Perturbation Theory |
| NMRD | Nuclear Magnetic Relaxation Dispersion |
| CARD | Contract Laboratory Program Analytical Results Database |
| FCHF | Frozen-core Hartree-Fock |
| APS | Advanced Photon Source |
| ALU | Arithmetic Logic Unit |