| Acronym | Meaning |
| ACR | Acute-Chronic Toxicity Ratio |
| FACT | Facility For The Analysis Of Chemical Thermodynamics |
| BSRT | Biological Solids Retention Time |
| MFO | Mixed-function Oxidase |
| APB | Antiphase Boundary (crystal Chemistry) |
| FGM | Functionally Gradient Materials |
| SCTD | Superconducting Current Transfer Device |
| WAO | Wannier Atomic Orbital |
| CBD | Citrate-bicarbonate-dithionite (sample Treatment In Soil Analysis) |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |