| Acronym | Meaning |
| OCR | Optical Character Recognition |
| CSD | Cortical Spreading Depression |
| BWIP | Basalt Waste Isolation Project |
| ARNT | Aryl Hydrocarbon Receptor Nuclear Translocator |
| OECA | Office Of Enforcement And Compliance Assurance |
| WWW | World Wide Web |
| GAPT | Generalized Atomic Polar Tensor |
| IFM | Interfacial Force Microscopy |
| PWBA-C-EX | Coulomb Corrected Plane Wave Born Approxn. (with) Exchange |
| UCG | Underground Coal Gasification |