Definition of bedrock in English:

bedrock

noun

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

    • ‘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.’
    • ‘At the most basic a round barrow is simply a roughly hemispherical mound of soil, stone, and redeposited bedrock heaped over a central burial.’
    • ‘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.’
    • ‘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.’
    • ‘Surrounded by rivers, the allotted area consists of water-infused soil with no bedrock.’
    • ‘The hotel is built on an outcrop of bedrock - the only place in the area where the ground is not permafrost.’
    • ‘Flat or slightly rolling terrain is the rule here, and thick soil deposits overlay Cretaceous shale bedrock.’
    • ‘Four of the five populations were growing in faulted crevices of bedrock associated with shoals.’
    • ‘It also includes the air and water space above, and the subsoil and bedrock below that.’
    • ‘When it is spread close to a stream or on shallow soil over bedrock, what is the threat?’
    • ‘Little of New Brunswick is underlain by bedrock suitable for the formation of solution caves.’
    • ‘Dams, sea walls, and levees must be founded on firm base material, preferably bedrock.’
    • ‘A shallow shaft was excavated to bedrock, followed by drilling and blasting.’
    • ‘Built from reformed rock, the walls were solid, and as strong as bedrock.’
    • ‘Erosion of the underlying bedrock appears to have been limited.’
    • ‘Carbonate-rich Paleozoic bedrock characterizes the geology of the Mixedwood Plains.’
    • ‘These prairies, like the Black Belt, have rich soils derived from calcareous bedrock.’
    • ‘The plants were growing from several fissures in the mafic bedrock that underlies the creek.’
    • ‘Our first objective was to determine the extent to which bedrock and aspect affected soils of the Holyoke Range.’
    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.’
      • ‘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.’
      • ‘We need cool heads, warm hearts and our bedrock values of fairness and equality to choose the right path.’
      • ‘Surely patient confidentiality is one of the bedrocks on which good medical practice is based.’
      • ‘Give them a clear standard that is in accordance with the bedrock principles of our nation.’
      core, basis, base, foundation, root, roots, heart, backbone, essence, nitty-gritty
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Pronunciation

bedrock

/ˈbɛdrɒk/