| Acronym | Meaning |
| ELLSA | Enzyme Linked Ligand Sorbent Assay |
| DELCD | Dry Electrolytic Conductivty Detector |
| HIT | Heterojunction With Intrinsic Thin Layer (photovoltaic Cell; Solar Cell) |
| BP | British Petroleum |
| COLD | Chronic Obstructive Lung Disease |
| MTC | Magnetization Transfer Contrast |
| HEIWIP | Heterojunction Interfacial Workfunction Internal Photoemission |
| DOD | Deutsches Ozeanographisches Datenzentrum |
| HAT | Humid-air Turbine [cycle] |
| LLC | Lyotropic Liquid Crystal |