| Acronym | Meaning |
| AFR | Air To Fuel Ratio |
| STS | Space Transportation System |
| GDLC | Gel-Glass Dispersed Liquid Crystals |
| SCEP | Self-consistent Electron-pair Theory |
| NQCC | Nuclear Quadrupole Coupling Constants |
| IAP | Ion Activity Products |
| NIPDWR | National Interim Primary Drinking Water Regulations |
| MSV | Morse-Spline-van Der Waals (interatomic Potential) |
| TIRM | Total Internal Reflection Microscopy |
| DWDM | Dense Wavelength Division Multiplexing |