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WordReference Random House Unabridged Dictionary of American English © 2024tor•toise-core (tôr′təs kôr′, -kōr′),USA pronunciation n. - Archaeologya 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.
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