| Acronym | Meaning |
| PWBE | Plane-wave Born Approxn. With Exchange |
| XANES | X-ray Absorption Near Edge Structure |
| PED | Pulsed Electrochemical Detection |
| DARC | Dielectric Antireflection Coating |
| SCR | Spectral Collocation Representation (of Basis Sets) |
| PCET | Proton-coupled Electron Transfer |
| FMS | Frequency Modulation Spectroscopy |
| ACE | Alternating Conditional Expectations |
| HIT | Hazard Information Transmission |
| SXPS | Soft X-ray Photoelectron Spectroscopy |