Pebble

A pebble is a clast of rock with a particle size of 2 to 64 millimetres based on the Krumbein phi scale of sedimentology. Pebbles are generally considered larger than granules (2 to 4 millimetres diameter) and smaller than cobbles (64 to 256 millimetres diameter). A rock made predominantly of pebbles is termed a conglomerate. Pebble tools are amon...
Found on http://en.wikipedia.org/wiki/Pebble

Pebble

• (n.) A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone. • (v. t.) To grain (leather) so as to produce a surface covered with small rounded prominences. • (n.) Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians.Pebble: words in the defin...
Found on http://thinkexist.com/dictionary/meaning/pebble/

pebble

(from the article `gravel`) Fragments in gravel range in size from pebbles (4–64 mm [0.16–2.52 inches] in diameter), through cobbles (64–256 mm [2.52–10.08 inches]), to boulders ... ...by the wind but is carried away faster than sand, and there are few signs of dunelike bed forms where silt is deposited, for instance...
Found on http://www.britannica.com/eb/a-z/p/33

pebble

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.' 'As children gathering pebbles on the shore.' (Milton) ... 2. Transparent and colourless rock crystal; as, Brazilian pebble; so called by opticians. Pebble powder, slow-burning gunpowder, in large cubi...
Found on http://www.encyclo.co.uk/local/20973

pebble

noun a small smooth rounded rock
Found on https://www.encyclo.co.uk/local/20974

Pebble

Peb'ble noun [ Anglo-Saxon papolstān ; confer Latin 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. « As...
Found on http://www.encyclo.co.uk/webster/P/38

Pebble

Peb'ble transitive verb [ imperfect & past participle Pebbled ; present participle & verbal noun Pebbling .] To grain (leather) so as to produce a surface covered with small rounded prominences.
Found on http://www.encyclo.co.uk/webster/P/38

Pebble

A pebble is a class of rock between 2 and 64 mm in diameter.
Found on http://www.probertencyclopaedia.com/browse/HP.HTM

Pebble

A rock fragment with a diameter between 2 mm (about the size of a match head) and 64 mm (about the size of a tennis ball).
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

Pebble

A rounded piece of rock that is larger than gravel.
Found on http://www.physicalgeography.net/physgeoglos/p.html

Pebble

Pebble was old boxing slang for a difficult opponent.
Found on http://www.probertencyclopaedia.com/browse/ZP.HTM

pebble

[n] - a small smooth rounded rock
Found on http://www.webdictionary.co.uk/definition.php?query=pebble
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