| Acronym | Meaning |
| FOB | Fecal Occult Blood |
| ANO | Atomic Natural Orbital |
| PISA | Pair Interaction Structureless Approximation |
| SLA | Special Libraries Association |
| ECTDMS | Electrochemical Thermal Desorption Mass Spectroscopy |
| CED | Cohesive Energy Density |
| GTAW | Gas-tungsten Arc Welding |
| FOTOS | First-order Theory Of Oscillator Strength |
| CLND | Chemiluminescent Nitrogen Detection |
| DIR | Diffusion Induced Recrystn. |