| Acronym | Meaning |
| FGEF | Federal Geographic Encoding Format |
| NEDT | Noise Equivalent Delta T |
| TEQ | Toxicity Equivalent |
| IF | Interstitial Free |
| IUPPA | The International Union Of Air Pollution Prevention Associations |
| CBE | Coulomb-Bethe (for Electron-ion Scattering) |
| RSC | Residual Sodium Carbonate |
| LIGS | Laser-induced Grating Spectroscopy |
| AATCC | American Association Of Textile Chemists And Colorists |
| DIR | Diffusion Induced Recrystn. |