| Acronym | Meaning |
| DSB | Double-strand Break |
| ASHES | Axial Seamount Hydrothermal Emissions Study |
| SBE | Starch Branching Enzyme |
| HATR | Horizontal Attenuated Total Reflection |
| OPM | Open Path Monitors (air Pollution Sensors) |
| NIBSC | National Institute For Biological Standards And Control |
| PEMFC | Polymer Electrolyte Membrane Fuel Cell |
| LCVO | Linear Combination Of Valence Orbitals |
| PFBC-CC | Pressurized Fluidized-bed Combustion/combined Cycle (of Coal) |
| N-BOD | Nitrogenous Biochemical Oxygen Demand |