| Acronym | Meaning |
| IAES | Ion Excited Auger Electron Spectroscopy |
| ISAMS | Improved Stratospheric And Mesospheric Sounder |
| CHAOS | Canadian High Acceptance Orbit Spectrometer |
| FACOSH | Federal Advisory Council For Occupational Safety And Health |
| BSEM | Back Scattering Electron Microscopy |
| CHA | Chemical Hamiltonian Approach |
| PIDAS | Portable Instantaneous Display And Analysis Spectrometer |
| PCMO | Precanonical Molecular Orbital |
| RBC | Rotating Biological Contactor |
| HVOF | High-Velocity Oxygen Fuel |