| Acronym | Meaning |
| SOP/EA | Split-operator Propagator (for) Electronically Adiabatic (phenomena) |
| NAL | No Action Level |
| LR-SCF | Low-rank SCF |
| SSA | Specific Surface Area |
| SHAPM | Shear Horizontal Acoustic Plate Mode |
| ICP-MS | Inductively Coupled Plasma Mass Spectrometry |
| LOIS | Loss Of Interim Status |
| RHPA | Reverse Hemolytic Plaque Assay |
| GRP | Gastrin-releasing Peptide |
| HTGR | High-Temperature Gas Reactor |