| Acronym | Meaning |
| TTL | Transistor-transistor Logic |
| PERCI | Photoelectron Resonance Capture Ionization |
| CSFV | Classical Swine Fever Virus |
| HWRTF | Hazardous Waste Restrictions Task Force |
| MECI | Monoexcited Configuration Interaction |
| TDCC | Time-dependent Close-coupling |
| RFT | Respirator Fit Test |
| TESSA | Total Exhaust Solvent Scrubbing Apparatus |
| DSPC | Distearoyl Phosphatidylcholine |
| NDP | Net Driving Pressure (in Membrane Reverse Osmosis) |