| Acronym | Meaning |
| WSOEA | Wallace Second-order Eikonal Approximation |
| XEDS | X-ray Energy Dispersive Spectroscopy |
| SR-CC | Single Reference-CC |
| BHRA | British Hydromechanics Research Association |
| TEELS | Transmission Electron Energy Loss Spectroscopy |
| ISIRS | International Sorption Information Retrieval System |
| IFANT | International Foundation For The Advancement Of Nondestructive Testing |
| NFRAP | No Further Remedial Action Planned |
| EIFS | Exterior Insulation And Finish Systems [coatings] |
| UAQI | Uniform Air Quality Index |