| Acronym | Meaning |
| OOS | Optical-oscillator Strength |
| AIHC | American Industrial Health Council |
| QAPP | Quality Assurance Project Plan |
| HESSI | High Energy Solar Spectroscopic Imager |
| SEM | Strategic Environmental Management |
| HSCR | Hirschsprung Disease |
| MAGE | Melanoma-associated Antigen-encoding Gene |
| GEWEX | Global Energy And Water Cycle Experiment |
| ATG | Antithymocyte Globulin |
| WFM | Work Function Microscopy |