Synonyms of 'bedrock'
1 first principle
Mutual trust is the bedrock of a relationship.
the principles of quantum theory
teaching small children the fundamentals of road safety
Effective opposition is a cornerstone of any democracy.
nuts and bolts (informal)
Social skills are the nuts and bolts of social interaction.
sine qua non (Latin)
I think I can remember the rudiments of Latin
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A bed of rock is a layer of rock that is found within a larger area of rock.
a sandstone bed
The bottom of something is the lowest or deepest part of it.
He sat at the bottom of the stairs.
Thesaurus for bedrock from the Collins English Thesaurus
The bedrock of something is the principles, ideas , or facts on which it is based.