| Acronym | Meaning |
| BS | Breathing Sphere (approxn. In Mol.-scattering Calcns.) |
| GCIB | Gas Cluster Ion Beam |
| TMP | Thermomechanical Pulping |
| EDSTAC | Endocrine Disruptor Screening And Testing Advisory Committee |
| CGI | Combustible Gas Indicator |
| KPNO | Kitt Peak National Observatory |
| IEM | Immunoelectron Microscopy |
| SAES | State Agricultural Experiment Stations |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| ROWPU | Reverse Osmosis Water Purification Unit |