| Acronym | Meaning |
| EIL | Electron Injection Layer |
| GIXAS | Grazing Incidence X-ray Absorption Spectroscopy |
| WVTR | Water Vapor Transmission Rate |
| MRDL | Maximum Residual Disinfectant Level |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| MCP | Monocyte Chemoattractant Protein |
| AAIW | Antarctic Intermediate Water |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |
| ESW | Electroslag Welding |
| ETA | Emanation Thermal Analysis |