| Acronym | Meaning |
| FFF | Field-flow Fractionation |
| ARMI | Analytical Reference Materials International |
| STAD | Simple Town Air Dispersion Model (of Air Pollution) |
| IHMM | Institute Of Hazardous Materials Management |
| ZCLV | Zoned Constant Linear Velocity |
| PCF | Pair Correlation Function |
| NTRM | NIST Traceable Ref. Materials |
| CCS | Classical Centrifugal Sudden (in Calcns. On Reactions) |
| ASTRA | Alliance For Science And Technology Research In America |
| EKT | Extended Koopmans Theorem |