| Acronym | Meaning |
| ASM | American Society For Metals |
| GINC | Global Information Network On Chemicals |
| EMAS | European Microbeam Analysis Society |
| MCLR | Multiconfigurational Linear Response (an MC-SCF Method) |
| HFPT | Hartree-Fock Perturbation Theory |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| SDA | Structure-directing Agent |
| PNN | Probabilistic Neural Network |
| NIAID | National Institute Of Allergy And Infectious Diseases |
| FOURPI | Fourier Path Integral |