| Acronym | Meaning |
| HMI | Hornbeck-Molnar Ionization (homonuclear Associative Ionization In At. Collisions) |
| MCVD | Modified Chemical Vapor Deposition |
| PEGC | Phonon Glass Electron Crystal |
| TCD | Thermal Conductivity Detector (for Gas Chromatography) |
| ENAC | Energetic Neutral Atom Camera |
| STS | Scanning Tunnelling Spectroscopy |
| BEM | Boundary Element Method |
| ORBIT | On-line Retrieval Of Bibliographic Information Timesharing |
| NEEIA | Nonseparation Electrochemical Enzyme Binding/immunoassay |
| SAB | Substratum-aerated-biofilm Reactor |