| Acronym | Meaning |
| BSO | Brueckner Spin Orbitals |
| CRDS | Cavity Ring-down Spectroscopy |
| PASTM | Photon Assisted Scanning Tunnel Microscopy |
| RACS | Raw Agricultural Commodities |
| CVT | Canonical Variational Transition-state (theory) |
| NCC | Near-centerline Concn. |
| NIRIS | Near-infrared Imaging Spectroscopy |
| MIONP | Microwave Induced Optical Nuclear Polarization |
| FHNC | Fermi Hypernetted Chain Method (in Quantum Statistics) |
| HBT | Heterojunction Bipolar Transistor |