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English definition of “bedrock”

bedrock

noun uk   /ˈbed.rɒk/ us    /-rɑːk/

bedrock noun (ROCK)

[U] the hard area of rock in the ground that holds up the loose soil aboveTypes of rockPrecious and semi-precious stones

bedrock noun (BASE)

[S] the main principles on which something is based: Some people believe that the family is the bedrock of society.Being based on or depending on something
(Definition of bedrock from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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