| Acronym | Meaning |
| ADT | Air Dry Ton [of Cellulose Pulp] |
| APSG | Antisymmetrized Product Of Strongly Orthogonal Geminals (variant Of Multiconfiguration Self-consistent Field Method) |
| LISA | Lander For Ion-selective Analysis |
| NEWWA | New England Water Works Association |
| TICT | Twisted Intramolecular Charge Transfer |
| DV-X(ALPHA) | Discrete Variational-x(alpha) (statistical Exchange Correlation) |
| AEM | Acoustic Emission Monitoring |
| EDXRS | Energy-dispersive X-ray Spectrometry |
| TIRF | Total Internal Reflectance Fluorescence |
| ATW | Accelerator Transmutation Of Waste (for Radioactive Waste) |