| Acronym | Meaning |
| AGB | Asymptotic Giant Branch (stars) |
| SCCR | Self-consistent Current Relaxation (in Electronic Dynamic Structure Factor Calcns.) |
| XMPA | X-ray Electron Microprobe Analysis |
| RVDT | Rotary Variable Differential Transformer |
| ESPI | Electronic Speckle Pattern Interferometry |
| CEI | Cation Exchange Index |
| MINDO | Modified Intermediate Neglect Of Differential Overlap |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| EA-EOMCC | Electron Attachment-equation Of Motion Coupled Cluster |
| TTSS | Tropospheric Trace Species Sounder |