| Acronym | Meaning |
| EPEBS | Enhanced Proton Elastic Backscattering |
| ERK | Extracellular Signal-regulated Kinase |
| RECA | Regional Energy Convergence Approxn. (in Total Energies Calcns.) |
| BEIA | Biomedical And Environmental Information Analysis |
| FADD | Fas-associated Death Domain Protein |
| TMS | Transmission Moessbauer Spectroscopy ~ ~ |
| TID | Thermionic Ionization Detector |
| AESA | Atmospheric Effects Of Stratospheric Aircraft |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| WELAC | Western European Laboratory Accreditation Cooperation |