| Acronym | Meaning |
| ICC | Interstitial Cells Of Cajal |
| CEGB | Central Electricity Generating Board |
| GCAM | Global Change Assessment Modeling |
| ISSC | International Subcommission On Stratigraphic Classification |
| VMD | Vacuum Membrane Distillation |
| EB | Extended Basis (set) |
| NSF | National Sanitation Foundation |
| SNMS | Sputtered Neutral Mass Spectrometry |
| AIUPS | Angle-integrated Ultraviolet Photoelectron Spectroscopy |
| GMISS | Gridded Model Information Support System |