The solidification of droplets of molten material falling against an upward stream of air; used especially to agglomerate ammonium nitrate and urea for use as a fertilizer.

to flow, spurt

a rill, a small stream / (obsolete) a spinning top

a pellet, a granule, a small bead / rich copper ore remaining after removal of low-grade material; a droplet of copper suspended in molten slag / (mining) A nugget of virgin metal.

to produce pellets by forming a molten substance into droplets which solidify while falling

The brill, a kind of flatfish.

(intransitive, UK, dialect) To grow sour. / (intransitive, UK, dialect) To become tipsy.

(mining, manufacturing and agriculture) formed into pellets

simple past tense and past participle of prill

plural of prill