| Acronym | Meaning |
| DED | Death Effector Domain |
| SRO | Short Range Order |
| FRM | Federal Reference Method |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| AFS | Atomic Fluorescence Spectroscopy |
| XMP | Xanthosine 5'-phosphate |
| TADAP | Transport And Deposition Of Acidifying Pollutants (European Environmental Model) |
| FSM | Folded-sheet Mesoporous Material |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |
| CARS | Corrective Action Reporting System (now Known As RCRIS) |