| Acronym | Meaning |
| CHF | Critical Heat Flux |
| AOB | Ammonia Oxidizing Bacteria |
| BATEA | Best Available Technology Economically Achievable |
| TOFMS | Time Of Flight Mass Spectrometry |
| RLV | Reusable Launch Vehicles (aeronautics) |
| AAAS | American Association For The Advancement Of Science |
| LRT | Long Range Transport |
| DOVE | Doubly Vibrationally Enhanced |
| DVMO | Directed-valence Molecular Orbital |
| SCSAG | Small-curvature Semiclassical Adiabatic Ground-state (tunneling Approxn.) |