| Acronym | Meaning |
| POY | Partially Oriented Yarn (usually Synthetics |
| NO | Natural Orbital |
| SINDO/F | SINDO Free Of Empirical Parameters |
| ERCAM | Emission Reduction And Cost Analysis Model |
| PCDW | Pluvinage Continuum Distorted Wave ( A Wave Function In Calcns. On Atomic And Molecular Collisions) |
| MUSLE | Modified Universal Soil Loss Equation (erosion Model) |
| QRIOSA | Quantum Reactive Infinite Order Sudden Approxn. |
| TOCOEN | Toxic Organic Compounds In The Environment (research Project In Czechoslovakia) |
| RAHB | Resonance-assisted Hydrogen Bond |
| DIANA | Detection Of Immobilized Amplified Nucleic Acids |