| Acronym | Meaning |
| PEFC | Polymer Electrolyte Fuel Cell |
| CONFU | Conference On Fair Use |
| ISC3 | Industrial Source Complex Version 3 |
| MCE | Mixed Cellulose Ester |
| RTDF | Remediation Technologies Development Forum |
| TDSHF | Time-dependent Screened Hartree-Fock |
| MWM | Meandering Winding Magnetometer |
| TCL-GME | Time-convolutionless Generalized Master Equation (in Quantum Tunneling Calcns.) |
| WRITE | Waste Reduction Innovative Technology Evaluation (US EPA) |
| FSGO | Floating Spherical Gaussian Orbital |