| Acronym | Meaning |
| NASP | National Aerospace Plane |
| DCA | Detrended Correspondence Ordination Analysis |
| LCAO LSD | Linear Combination Of Atomic Orbitals-local Spin Density |
| JSR | Jet-stirred Reactor |
| CHELP | CHarges From ELectrostatic Potential |
| LGM | Linearized Green-function Method (for Electronic-structure) |
| ECD | Environmental Cleanup Division |
| ASW | Amorphous Solid Water |
| ROMP | Ring-opening Metathesis Polymerization |
| CRL | Certified Reporting Limit |