| Acronym | Meaning |
| ENAC | Energetic Neutral Atom Camera |
| PPES | Photopyroelectric Spectroscopy |
| CCMGA | Core-corrected Modified Glauber Approxn. (for Scattering) |
| PMTR | Photomodulated Thermoreflectance |
| NCLI | National Chemical Laboratory For Industry (Japan) |
| RMP | Risk Management Program |
| RISA | Radioimmunosorbent Assay |
| ESAD | Electron-stimulated Associative Desorption |
| COPD | Chronic Obstructive Pulmonary Disease |
| GCCP | Global Climate Change Program |