| Acronym | Meaning |
| ORPP | Optimized Relativistic Pseudopotential |
| SCCWRP | Southern California Coastal Water Research Project |
| CGA | Compressed Gas Association |
| HEWL | Hen Egg White Lysozyme |
| PRDA | Program Research And Development Announcement |
| DCPA | Dynamic Coherent Potential Approxn. |
| SE | Symmetric Eikonal (approxn. In Calcns. On Ion Scattering) |
| RAAS | Renin-angiotensin-aldosterone System |
| ROSINA | Rosetta Orbiter Spectrometer For Ion And Neutral Analysis |
| DBD | DNA Binding Domain |