distillation

noun8

1. •
   The separation of more volatile parts of a substance from less volatile ones by evaporation and condensation.
2. •
   Purification through repeated or continuous distilling; rectification.
3. •
   Separation of petroleum into specific hydrocarbon groups; fractionation.
4. •
   The substance extracted by distilling.

   • to be stopped in, like a strong distillation, with stinking / clothes that fretted in their own grease. — 1597
5. •
   A technique in which a neural network is trained on the outputs or behaviour of a more complex model in order to transfer selected knowledge and capabilities to a smaller, more focused, or more efficient model.

   • Distillation is often used to train new systems. If a company takes data from proprietary technology, the practice may be legally problematic. But it is often allowed by open source technologies. — 2025
6. •
   The act of falling in drops, or the act of pouring out in drops.
7. •
   A model produced by such a process.
8. •
   That which falls in drops.