Definition of bedrock in English:

bedrock

noun

mass noun
  • 1Solid rock underlying loose deposits such as soil or alluvium.

    • ‘The hotel is built on an outcrop of bedrock - the only place in the area where the ground is not permafrost.’
    • ‘A shallow shaft was excavated to bedrock, followed by drilling and blasting.’
    • ‘At the summit of the bluff is a small clearing with exposed slate bedrock, fractured by cracks and crevices.’
    • ‘All the stages are based on hard-packed bedrock so hopefully they shouldn't deteriorate too much.’
    • ‘Our first objective was to determine the extent to which bedrock and aspect affected soils of the Holyoke Range.’
    • ‘Built from reformed rock, the walls were solid, and as strong as bedrock.’
    • ‘Carbonate-rich Paleozoic bedrock characterizes the geology of the Mixedwood Plains.’
    • ‘Surrounded by rivers, the allotted area consists of water-infused soil with no bedrock.’
    • ‘Erosion of the underlying bedrock appears to have been limited.’
    • ‘The plants were growing from several fissures in the mafic bedrock that underlies the creek.’
    • ‘Little of New Brunswick is underlain by bedrock suitable for the formation of solution caves.’
    • ‘At the most basic a round barrow is simply a roughly hemispherical mound of soil, stone, and redeposited bedrock heaped over a central burial.’
    • ‘It also includes the air and water space above, and the subsoil and bedrock below that.’
    • ‘The greensand soil and chalky bedrock are similar to the soil found beneath the vineyards of the Champagne region, and are integral to its flavour.’
    • ‘Flat or slightly rolling terrain is the rule here, and thick soil deposits overlay Cretaceous shale bedrock.’
    • ‘These prairies, like the Black Belt, have rich soils derived from calcareous bedrock.’
    • ‘Because of the ice cover over most of the continent, only a few sites are actually available at which bedrock is exposed at the surface.’
    • ‘Four of the five populations were growing in faulted crevices of bedrock associated with shoals.’
    • ‘When it is spread close to a stream or on shallow soil over bedrock, what is the threat?’
    • ‘Dams, sea walls, and levees must be founded on firm base material, preferably bedrock.’
    substratum, substructure, understructure, solid foundation, base, basis, underpinning, bed, rock bed
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    1. 1.1 The fundamental principles on which something is based.
      ‘honesty is the bedrock of a good relationship’
      • ‘Physics gave him a solid foundation, the bedrock for all his beliefs about the universe.’
      • ‘We need cool heads, warm hearts and our bedrock values of fairness and equality to choose the right path.’
      • ‘Give them a clear standard that is in accordance with the bedrock principles of our nation.’
      • ‘Surely patient confidentiality is one of the bedrocks on which good medical practice is based.’
      • ‘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.’
      core, basis, base, foundation, root, roots, heart, backbone, essence, nitty-gritty
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Pronunciation

bedrock

/ˈbɛdrɒk/