| Acronym | Meaning |
| IUVSTA | International Union Of Vacuum Science |
| ESPS | Electrode-separated Piezoelectric Sensor |
| HUPO | Human Proteome Organization |
| NOSC | Naval Ocean Systems Center |
| AMBIENS | Atmospheric Mass Balance Of Industrially Emitted And Natural Sulfur |
| ESP | Electrostatic Precipitator |
| ROSDAL | Representation Of Organic Structure Description Arranged Linearly |
| ECP | Estimated Critical Position |
| DCXRD | Double Crystal X-ray Diffraction |
| CTM | Conditional Test Method |