| Acronym | Meaning |
| CIRES | Cooperative Institute For Research In Environmental Sciences |
| MVP | Mitral Valve Prolapse |
| HADD | Highest Average Daily Dose |
| ROS | Restricted (or Roothaan) Open-shell (Hamiltonian) |
| FIBOS | Focused Ion Beam Optical Spectroscopy |
| SEMC | Scaled Ensemble Monte Carlo |
| ECA | Equivalent Core Approximation |
| XSAD | X-ray Small Angle Diffraction |
| WSD | Wear Scar Diameter |
| SMT | Standards |