| Acronym | Meaning |
| COD | Chemical Oxygen Demand |
| PIES | Partial Integration Exterior Scaling (in Calcns. On Resonance Positions And Lifetimes |
| RSCA | Relativistic Semiclassical Approximation (for At. Scattering) |
| BLP | Bragg Light Profile |
| EPTOX | Extraction Procedure Toxicity Test |
| EU | Enzyme Unit |
| CCC | Counter Current Chromatography |
| RMR | Resting Metabolic Rate |
| MWFA | Metalworking Fluids Containing Amines |
| ASCREV | Anodic Stripping Continuous Recall Enhancement Voltammetry |