A form of slow-burning gunpowder in large cubical grains.
A particle from 4 to 64 mm in diameter, following the Wentworth scale.
Transparent and colourless rock crystal.
A small stone, especially one rounded by the action of water.
A small droplet of water intentionally sprayed on the ice that cause irregularities on the surface.
To pave with pebbles.
To place a pebble at (a vertex of a graph) according to certain rules; see pebble game.
To deposit water droplets on the ice.
To give (leather) a rough appearance with small rounded prominences.
The slag or dross that remains after the smelting of metal from an ore.
Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater.