| Acronym | Meaning |
| PSI-BLAST | Position-specific Iterated BLAST |
| GENESIS | Global Environmental And Ecological Simulation Of Interactive Systems |
| GIXS | Grazing Incidence X-ray Scattering |
| BHA | 3-tert-butyl-4-hydroxyanisole Par |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| ECA | Equivalent Core Approximation |
| UEGO | Universal Exhaust Gas Oxygen Sensor |
| TDCS | Total Dissolved And Colloidal Solids |
| SXNO | Singly Excited Natural Orbital |
| BZR | Benzodiazepine Receptor |