| Acronym | Meaning |
| GRASP | Gradient Accelerated Spectroscopy |
| SDH | Succinate Dehydrogenase |
| CIV | Critical Ionization Velocity (ionosphere) |
| ILS | Instrumental Line Shape |
| CWA | Chemical Warfare Agent |
| APS | Advanced Photon Source |
| NEPP | National Energy Policy Plan |
| USP | United States Pharmacopeia |
| ACWA | American Clean Water Association |
| PWBA-EX | Plane-wave Born Approxn. (with) Exchange |