| Acronym | Meaning |
| ESPT | Excited-state Proton Transfer |
| TSAE | Two-state Atomic Expansion (model For Atom-ion Collisions) |
| CORAL | Control Retrofit Assessment Library [EPRI Software] |
| RGB | Red Giant Branch (star) |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| ATEM | Analytical Transmission Electron Microscopy |
| RCA | Rolling-circle Amplification |
| LEO | Low Earth Orbit |
| ARO | Analytical Radial Orbital |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |