| Acronym | Meaning |
| ETA | Emanation Thermal Analysis |
| AASHTO | American Association Of State And Highway Transportation Officials |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| FGFR | Fibroblast Growth Factor Receptor |
| HLVB | Heitler-London Valence Bond |
| I-TEQ | International Toxic Equivalent |
| HFWG | Hollow Fiber Waveguide |
| FETAX | Frog Embryo Teratogenesis Assay-Xenopus |
| RMRCI | Relativistic MR-CI |
| APC | Adenomatous Polyposis Coli |