[tawr-tuh s-kawr, -kohr]


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.

Nearby words

  1. tortiously,
  2. tortoise,
  3. tortoise beetle,
  4. tortoise brooch,
  5. tortoise plant,
  6. tortoiseshell,
  7. tortoiseshell cat,
  8. tortoiseshell turtle,
  9. tortola,
  10. tortoni

Origin of tortoise-core

First recorded in 1915–20 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019