| Acronym | Meaning |
| MDHS | Methods For The Determination Of Hazardous Substances |
| NDCT | Natural Draft Cooling Tower |
| ECLSS | Environmental Control And Life Support System |
| FETI | Fire, Explosion And Toxicity Index |
| EMT | Effective-medium Theory (of Bonding In Metallic Systems) |
| LSP | Liquid-stabilized Plasma |
| HFB | Hybrid Fluidized Bed |
| ECM | Extracellular Matrix |
| PCM | Phase-change Medium |
| NEDS | National Emission Data System (USEPA) |