| Acronym | Meaning |
| CCPP | Combined Cycle Power Plant |
| HDF | Hubble Deep Field |
| MEIA | Microparticle Enzyme Immunoassay |
| NGC | New General Catalog Of Nebula And Clusters Of Starspar |
| BID | Brinell Indentation Diameter |
| SGA | Soluble-gas Atomization |
| EQA | External Quality Assessment |
| PSRG | Position-space Renormalization Group (for D.-of-states Calcns.) |
| SCALE | Symmetrically Configured AC Light Emitting [device] |
| FEP | Free Energy Perturbation |