tortoise-core
[ tawr-tuh s-kawr, -kohr ]
/ ˈtɔr təsˌkɔr, -ˌkoʊr /
noun
Archaeology.
a late Lower and Middle Paleolithic stone core characteristic of the Levalloisian tradition of toolmaking, having a rounded top and flattish bottom and prepared in advance to permit the removal of a single ellipsoid flake with one blow from a stone hammer.
Origin of tortoise-core
First recorded in 1915–20
Words nearby tortoise-core
tortious,
tortoise,
tortoise beetle,
tortoise brooch,
tortoise plant,
tortoise-core,
tortoiseshell,
tortoiseshell cat,
tortoiseshell turtle,
tortola,
tortoni