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definitions

tortoise-core

[tawr-tuh s-kawr, -kohr]

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.

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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019