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hammerstone

[ham-er-stohn] /ˈhæm ərˌstoʊn/
noun, Archaeology
1.
an ancient stone tool used as a hammer, as for chipping flint, processing food, or breaking up bones.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hammer stone

hammerstone

/ˈhæməˌstəʊn/
noun
1.
a stone used as a hammer in the production of tools during the Acheulian period
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hammer stone in Science
hammerstone
  (hām'ər-stōn')   
A hand-held stone or cobble used by hominids perhaps as early as 2.5 million years ago as a crude pounding or pecking tool. Hammerstones were also used by early humans in striking flakes from stone cores to produce core tools.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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