| Acronym | Meaning |
| CD-SCSAG | Centrifugal Dominant-small Curvature Semiclassical Adiabatic Ground State (tunneling Approxn.) |
| CHORTLE | Carbon-hydrogen Correlation From One-dimensional Polarization-transfer Spectra By Least-squares Analysis |
| GCM | Generator-coordinate Method |
| GLE | Generalized Langevin Equation |
| BICFET | Bipolar Inversion Channel Field-effect Transistor |
| MCI | Mild Cognitive Impairment |
| TDLS | Tunable Diode Laser Spectrometry |
| BEWS | Biological Early Warning Systems |
| COSPAR | Committee On Space Research |
| HEU | Highly Enriched Uranium |