| Acronym | Meaning |
| AIS | Acoustic Imaging System |
| IIRF | Intergalactic IR Radiation Field |
| RKKY | Ruderman-Kittel-Kasuya-Yoshida (indirect Electron Exchange Mechanism) |
| RVR | Renal Vascular Resistance |
| ESIG | European Solvents Industry Group |
| CSE | Capillary Sieving Electrophoresis |
| FAFS | Flame Atomic Fluorescence Spectroscopy |
| VEELS | Valence Electron Energy-loss Spectroscopy |
| CFM | Contamination-free Manufacturing |
| EGTA | Ethylene Glycol Bis(2-aminoethyl Ether)-N |