| Acronym | Meaning |
| APYS | Auger-electron Partial Yield Spectroscopy |
| PMPIN | Pre-Manufacturing And Pre-Importation Notification |
| FNOC | Fleet Numerical Oceanography Center (USA Navy) |
| APD | Action Potential Duration |
| TMC | Thick Molding Compound |
| CPWR | Coupled Plasmon-waveguide Resonance |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| RUP | Restricted Use Pesticide |
| PDF | Probability Density Function |
| EPV | Exclusion-principle Violating |