| Acronym | Meaning |
| FPGA | Field-programmable Gate Array |
| FIMS | Fine-split IR Multispectral Scanner (for Remote Sensing) |
| SCF | Stem Cell Factor |
| TDGI | Time-dependent Gage-invariant (quantum Calcn. Method) |
| IRP | Installation Restoration Program |
| CCOI | Coupled-channel Optical (potential Method With Only The) Imaginary (part Of The Complex Polarization Potential) |
| MAS | Magic Angle Spinning (solid State NMR) |
| PSD | Prevention Of Significant Deterioration |
| NPL | National Physical Laboratory |
| AC | Alternating Current |