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bedrock noun

  /ˈbɛd.ɹɒk/ , /ˈbɛdˌɹɑk/
  • (countable, uncountable, geology, mining, engineering, construction) The solid rock found at some depth below the ground surface.
 Grundgestein, Muttergestein, anstehendes Gestein
  • (figurative) A basis or foundation.
 Basis, Fundament, Grundlage
bedrock (geol.)
Untergrund
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