| Acronym | Meaning |
| ASK | Amplitude Shift Keying |
| RFG | Reformulated Gasoline |
| NIRDIA | Near Infrared Dye Immunoassay |
| NWRI | National Water Research Institute (Burlington |
| XEAPS | X-ray Excited Electron Appearance Potential Spectroscopy |
| OSIRIS | Oxford Supersensitive Injector For Radioactive Isotope Separation |
| APGF | Antisymmetrical Product Of Group Functions (a Wave Function) |
| TWTA | Traveling Wave Tube Amplifier |
| GIAO | Gage Invariant Atomic Orbital |
| QPCR | Quantitative Polymerase Chain Reaction |