| Acronym | Meaning |
| SCSAG | Small-curvature Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| ESEEM | Electron Spin Echo Envelope Modulation |
| HRXRD | High Resolution X-ray Diffraction |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |
| IEET | Intramolecular Electronic Energy Transfer |
| CREAMS | Chemicals |
| SAP | Scientific Advisory Panel (FIFRA) |
| SLAPW | Superlinearized Augmented Plane Wave |
| SNFC | Sulfonated Naphthalene-formaldehyde Condensates |
| LHEA | Laboratory For High Energy Astrophysics |