| Acronym | Meaning |
| WRAP | Waste Reduction And Prevention Act (Manitoba |
| EPDM | Ethylene-propylene Diene Monomer |
| EEF GTO | Electric Field Gradient Gaussian-type Orbital |
| NLAP | Nonlimited Aeration Process (for Waste Treatment) |
| ZRPA | Zero-radius Potential Approximation |
| ABWAG | Abwasserabgabengestres (Germany Wastewater Discharge Law Regulates Cost Per Volume) |
| FMM | Fast Multipole Method (algorithm For Coulomb Interactions Among Charge Distributions) |
| TCDW | Target Continuum Distorted-wave (in At.-collision Calcns.) |
| SNS | Separation Network Synthesis (chemical Engineering Design) |
| ATLEED | Automated Tensor Low-energy Electron Diffraction |