| Acronym | Meaning |
| HPS | High Pressure Plasma Spraying |
| ICMA | Immunochemiluminometric Assay |
| REX | Relativistically Parametrized Extended Hueckel |
| BHET | Bis(2-hydroxyethyl) Terephthalate |
| CCCLC | Complex-coordinate Coupled-Landau-channel (method In Calcns. On Autoionizing Resonances) |
| RAPD | Randomly Amplified Polymorphic DNA |
| GAO | General Accounting Office |
| HDI | High-density Inclusion |
| ROSINA | Rosetta Orbiter Spectrometer For Ion And Neutral Analysis |
| EICVOM | Equivalent Ionic Core Virtual Orbital Model |