| Acronym | Meaning |
| PECVD | Plasma Enhanced Chemical Vapor Deposition |
| GDA | Glow Discharge Atomization (for Atomic Absorption Spectrometry) |
| CDCCC | Centrifugal Droplet Countercurrent Chromatography |
| TPPI | Time Proportional Phase Increment |
| CLS | Classical Least-squares |
| ASW | Augmented Spherical Wave |
| EMCOR | European Minor Constituent Radiometer |
| GALEX | Galaxy Evolution Explorer |
| 2DEG | Two-dimensional Electron Gas |
| AWFCO | Automatic Waste Feed Cutoff |