prill
noun
1. a rill, a small stream
2. (obsolete) a spinning top
3. a pellet, a granule, a small bead
4. rich copper ore remaining after removal of low-grade material; a droplet of copper suspended in molten slag
5. (mining) A nugget of virgin metal.
6. The button of metal from an assay.
7. The brill, a kind of flatfish.
verb
1. to flow, spurt
2. to produce pellets by forming a molten substance into droplets which solidify while falling