| Acronym | Meaning |
| HIMU | High U/Pb Mantle (component) |
| TRACECA | Transport Corridor Europe Caucasus Asia |
| ABET | Accreditation Board For Engineering And Technology |
| SSW | Solid-state Welding |
| TBN | Total Base Number |
| SDFFF | Sedimentation Field Flow Fractionation (particle Analysis) |
| SLE | Solid-liquid Equilibria |
| RTECS | Registry Of Toxic Effects Of Chemical Substances (NLM) |
| ORP | Oxidation-reduction Potential |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |