| Acronym | Meaning |
| ECSTM | Electrochemical Scanning Tunneling Microscopy |
| ISRM | International Society For Rock Mechanics |
| EEM | Episodic Event Model (of Acidification) |
| LENA | Low-energy Neutral Atom |
| CAB | Cellulose Acetate Butyrate |
| EMMA | Electrophoretically-mediated Microanalysis |
| PCPAA | Prompt Charged Particle Activation Analysis |
| RON | Research Octane Number |
| EGS | Echelle Grating Spectrometer |
| UTAO | Undistorted Traveling Atomic Orbital |