hammerstone
[ ham-er-stohn ]
/ ˈhæm ərˌstoʊn /
noun Archaeology.
an ancient stone tool used as a hammer, as for chipping flint, processing food, or breaking up bones.
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Example sentences from the Web for hammerstone
British Dictionary definitions for hammerstone
hammerstone
/ (ˈhæməˌstəʊn) /
noun
a stone used as a hammer in the production of tools during the Acheulian period
Scientific definitions for hammerstone
hammerstone
[ hăm′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.