| Acronym | Meaning |
| CES | Committee On Earth Science (Office Science & Technology Policy) |
| IEC | Inertial Electrostatic Confinement |
| SNPS | Space Nuclear Power System |
| MEBS | Medium Energy Backscattering Spectrometry |
| BMDL | Below Method Detection Level |
| DHPLC | Denaturing High-performance Liquid Chromatography |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |
| NTS | Nevada Test Site |
| FFPC | Forced-flow Planar Chromatog. |
| SLEEM | Scanning Laser-enhanced Electrochemical Microscopy |