| Acronym | Meaning |
| ICL | Interface Control Layer |
| BIA | Bioelectric Impedance Analysis |
| RAINBOWS | Reduced And INternally Biased Oxide Wafers |
| BARF | Best Available Retrofit Facility |
| GCM | Global Climate Model |
| GAR | Grain Aspect Ratio |
| VBR | Variational Basis Representation (in Quantum Calcns.) |
| IBMK | Isobutyl Methyl Ketone |
| DOD | Deutsches Ozeanographisches Datenzentrum |
| ICR | Ion Cyclotron Resonance (mass Spectrometry) |