prill

(noun, verb)

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