| Acronym | Meaning |
| MARS | Multivariate Adaptive Regression Splines |
| IPC | International Patent Classification |
| CFCC | Continuous Fiber Ceramic Composite |
| EOLM | Electro-optical Light Modulation |
| VCB-CPA | Virtual Crystal Bandwidth-coherent Potential Approxn. (for Electronic-structure Calcns. On Alloys) |
| EMSA | Electrophoretic Mobility Shift Assay |
| ICP-MS | Inductively Coupled Plasma Mass Spectrometry |
| TPH | Total Petroleum Hydrocarbons |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| HCDW | Hydrogenic Continuum Distorted Wave (a Wave Function In Calcns. On Atomic And Molecular Collisions) |