English Dictionary

prill

/pɹɪl/

noun

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.

I found a prill on the ground.

意味（1）

a pellet, a granule, a small bead

Prills are free-flowing pellets developed for fertilizer as a coarse product with little setting tendency that can be spread easily and smoothly.

意味（2）

rich copper ore remaining after removal of low-grade material; a droplet of copper suspended in molten slag

意味（3）

(mining) A nugget of virgin metal.

意味（4）

The button of metal from an assay.