| Acronym | Meaning |
| AEERL | Air And Energy Engineering Research Laboratory (US EPA) |
| SPARHEED | Spot Profile Analysis Reflection High-energy Electron Diffraction |
| COLD | Computer Output To Laser Disk |
| ATBN | Amine Terminated Butadiene Acrylonitrile (rubber) |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| GWPM | Gaussian Wave-packet Method |
| ARM | Area Radiation Monitoring |
| DPUMPN | Double-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
| QLDA | Quasilocal Density Functional Approxn. |
| CMI | Corrective Measures Implementation |