| Acronym | Meaning |
| OUR | Oxygen Uptake Or Utilization Rate |
| BDTT | Brittle-to-ductile Transition Temperature |
| TDEMSE | Time-dependent Effective Mass Schroedinger Equation |
| BHTV | Borehole Televiewers |
| LLD | Lower Limit Of Detection |
| AKD | Alkyl Ketene Dimer |
| PCDW | Pluvinage Continuum Distorted Wave ( A Wave Function In Calcns. On Atomic And Molecular Collisions) |
| UDI | Utility Data Institute (power Generation) |
| GSA | General Services Administration |
| IRM | Isothermal Remanent Magnetization |