| Acronym | Meaning |
| FIRST | Faint Images Of The Radio Sky At Twenty Centimeters |
| LCCA | Linearized Coupled-cluster Approach |
| CTR | Calcitonin Receptor |
| ERS | External Reflection Spectroscopy |
| ICC | Interstitial Cells Of Cajal |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |
| XPM | X-ray Photoelectron Microscopy |
| LSDFT | Local Spin Density Functional Theory |
| GFN | Grain Fineness Number |
| SBUV | Solar Backscatter UV Instrument |