| Acronym | Meaning |
| COSS | Correlation Shift Scaling |
| HSOS-CCSD | High-spin Open-shell-CCSD |
| CDDIS | Crustal Dynamics Data Information System |
| ITP | Inosine 5'-triphosphate |
| SEMPA | Scanning Electron Microscopy With Polarization Analysis |
| ATP | Adenosine Triphosphate (reg: 56-65-5) |
| SARA | Smad Anchor For Receptor Activation |
| CCD | Chemical Composition Distribution [of Polymers] |
| HFRW | High Frequency Resistance Welding |
| OPDIN | Ocean Pollution Data And Information Network |