| Acronym | Meaning |
| XHDPE | Cross-linked |
| PCMO | Precanonical Molecular Orbital |
| IRF | Instrument Response Function |
| ASHES | Axial Seamount Hydrothermal Emissions Study |
| DBTT | Ductile-to-brittle Transition Temperature |
| BMSC | Bone Marrow Stromal Cell |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| STLE | Society Of Tribologists And Lubrication Engineers |
| MWD | Molecular Weight Distribution |
| JPEG | Joint Photographic Expert Group |