| Acronym | Meaning |
| ARISS | Angle Resolved Ion Scattering Spectroscopy |
| PMLG | Phase Modulated Lee-Goldburg (NMR Spectrometry) |
| FHBS | Finite Hilbert Basis Set |
| MRLCC | Multireference Linearized Coupled Cluster |
| TREPR | Time-resolved Electron Paramagnetic Resonance |
| OVD | Optically Variable Device |
| IPA | Independent-particle Approximation (in Quantum Calcns. On Solids) |
| CLD | Chronic Lung Disease |
| GRAS | Generally Recognized As Safe |
| STA | Simultaneous Thermal Analysis |