Found 1 items, similar to Pebble powder.
English → English (gcide) Definition: Pebble powder Pebble \Peb"ble\, n. [AS. papolst[=a]n; cf. L. papula pimple, mote. See Stone.] 1. A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone. “The pebbles on the hungry beach.” --Shak. [1913 Webster] As children gathering pebbles on the shore. --Milton. [1913 Webster] 2. Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians. [1913 Webster] Pebble powder, slow-burning gunpowder, in large cubical grains. Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid. [1913 Webster]