| Acronym | Meaning |
| ABXP | Ab Initio Dv-x.alpha. Point Charge Approxn. (in Solid Surface Electronic Structure Calcn.) |
| ALMR | Advanced Liquid Metal Reactor |
| MDBK | Madin-Darby Bovine Kidney |
| LSIRD | Lunar Scout Infrared Detector |
| SETOC | International Sediment Exchange For Tests On Organic Contaminants |
| FEM | Finite Element Method |
| AOT40 | Accumulated Ozone Exposure Over A Threshold Of 40 Ppb |
| RAS | Returned Activated Sludge |
| VFB | Flat-band Voltage |
| NTIMS | Negative Thermal Ionization Mass Spectrometry |