| Acronym | Meaning |
| BOD | Biochemical Oxygen Demand |
| CCD | Chemical Composition Distribution [of Polymers] |
| USN | Ultrasonic Nebulizer |
| SDIO | Strategic Defense Initiative Organization |
| HRBS | High Resolution Rutherford Backscattering |
| FMAR | Ferromagnetic Antiresonance |
| LLC | Lyotropic Liquid Crystal |
| RFL | Resorcinol-formaldehyde Latex [dip Coating] |
| PIES | Partial Integration Exterior Scaling (in Calcns. On Resonance Positions And Lifetimes |
| DSVI | Diluted Sludge Volume Index |