| Acronym | Meaning |
| PTMG | Polytetramethylene Glycol |
| TMJ | Temporomandibular Joint |
| PCT | Photoinduced Charge Transfer |
| OMO | Orthogonalized Magnetic Orbital |
| WWSCOT | Whisker Wall Support Coated Open Tubular Column |
| WSD | Wear Scar Diameter |
| INPADOC | International Patent Documentation Center |
| ESCA | Electron Spectroscopy For Chemical Analysis |
| CERL | Corvallis Environmental Research Laboratory |
| HFO | Hydrous Ferric Oxide |