| Acronym | Meaning |
| CTOD | Crack Tip Opening Displacement |
| SON | Supraoptic Nucleus |
| CEAS | Coulometric Electrode Array System |
| SIR-C | Spaceborne Imaging Radar-C |
| ZAAS | Zeeman Atomic Absorption Spectroscopy |
| PEPICO | Photoelectron-photoion Coincidence Spectroscopy |
| NACLA | The National Cooperation For Laboratory Accreditation |
| BOTDA | Brillouin Optical Time Domain Analysis |
| ECTDMS | Electrochemical Thermal Desorption Mass Spectroscopy |
| DEM | Discrete Element Method |