Pebble /(?)/

Peb·ble

Pebble

n.
  1. A small roundish piece of stone; especially, a stone worn and rounded by the action of water; a pebblestone.
    As children gathering pebbles on the shore.
  2. Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians.

Phrases & Compounds
Pebble powder
slow-burning gunpowder, in large cubical grains.
Scotch pebble
varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid.

Pebble

v. t.

imp. & p. p. Pebbled; p. pr. & vb. n. Pebbling

  1. To grain (leather) so as to produce a surface covered with small rounded prominences.