| Acronym | Meaning |
| DLOS | Deep-level Optical Spectroscopy |
| NHOMO | Next Highest Occupied Molecular Orbital |
| VRM | Viscous Remanent Magnetization |
| ERIS | Electrostatic Reflex Ion Source |
| CSI | Crystal Structure Imaging |
| CIBS | Corrections To An Incomplete Basis Set (a Perturbation Theory) |
| QBO | Quasi-biennial Oscillation (atm.) |
| SIRMS | Stable Isotope Ratio Mass Spectrometry |
| CLEA | Collection Of Laws For Electronic Access |
| PEM | Pacific Exploratory Measurements |