| Acronym | Meaning |
| SSIMS | Static Secondary Ion Mass Spectrometry |
| RMM | Relative Molecular Mass |
| CPSC | Consumer Product Safety Commission |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| HSF | Heat Shock Factors |
| SHC | Symmetrized Hyperspherical Coordinates (in Quantum Calcns. On Reactive Scattering) |
| NEHA | National Environmental Health Association |
| SME | Solid-metal Embrittlement |
| QPT | Quantum Phase Transition |
| LUC | Large Unit Cell Semiempirical Approxn. (for Band Structure) |