Definition of bedrock in English:

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Pronunciation: /ˈbedˌräk/


1Solid rock underlying loose deposits such as soil or alluvium.
Example sentences
  • Flat or slightly rolling terrain is the rule here, and thick soil deposits overlay Cretaceous shale bedrock.
  • The plants were growing from several fissures in the mafic bedrock that underlies the creek.
  • Erosion of the underlying bedrock appears to have been limited.
substratum, substructure, understructure, solid foundation, base, rock base
1.1The fundamental principles on which something is based: honesty is the bedrock of a good relationship
More example sentences
  • These terms were to remain as the bedrock of his artistic principles even though his manner and procedures of painting were to change quite radically.
  • Give them a clear standard that is in accordance with the bedrock principles of our nation.
  • We need cool heads, warm hearts and our bedrock values of fairness and equality to choose the right path.
core, basis, base, foundation, roots, heart, backbone, principle, essence, nitty-gritty
informal nuts and bolts
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