| Acronym | Meaning |
| EHP | Electron-hole Potential Method |
| MDI | Methylene Di-p-phenylene Isocyanate |
| MPI | Multivariable Proportional-integral [control(ler)] |
| GQDPT | Generalized Quasidegenerate Perturbation Theory |
| PGWDB | Pesticides In Ground Water Database |
| ICR | Intelligent Optical Character Recognition |
| MCOPM | Multiconfiguration Optimized Potential Model |
| ALU | Arithmetic Logic Unit |
| PAA | Photon Activation Analysis |
| FRAT | Free Radical Assay Technique |