| Acronym | Meaning |
| APYS | Auger-electron Partial Yield Spectroscopy |
| NHE | Na+-H+ Exchanger |
| PERT | Program Evaluation And Review Technique |
| MEIS | Medium Energy Ion Scattering |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| HTTP | Hypertext Transfer Protocol |
| CPR | Chemically Perturbed Region |
| EKLF | Erythroid Kruppel-like Factor |
| NTIS | National Technical Information Service |
| JISC | Japanese Industrial Standards Committee |