| Acronym | Meaning |
| AMPS | 2-acrylamido-2-methylpropanesulfonic Acid [15214-89-8] |
| CPA | Coupled-pair Approximation |
| HDD | Hard Disk Drive |
| TOCSY | Total Correlation Spectroscopy |
| IPN | Interpenetrating Polymer Network |
| NTI | Negative Thermal Ionization (for Mass Spectrometry) |
| EKB | Einstein-Brillouin-Keller (quantization Method) |
| ACJ | Artificially Constructed Junction (in Solar Cell Fabrication) |
| HCC | Hepatocellular Carcinoma |
| AUBF | Anaerobic Upflow Biofilter |