| Acronym | Meaning |
| PCAD | Power Conditioning And Distribution (in Spacecraft) |
| TOW | Time Of Wetting |
| TTU | Transportable Treatment Unit |
| DOP | Dioctyl Phthalate |
| NWPA | Nuclear Waste Policy Act |
| ICRP | International Commission On Radiological Protection |
| VLDPE | Very Low Density Polyethylene |
| FCS | Fluorescence Correlation Spectroscopy |
| VBXPS | Valence Bond X-ray Photoelectron Spectroscopy |
| IDF | International Dairy Federation |