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View synonyms for fault line

fault line

noun

, Geology.
  1. the intersection of a fault with the surface of the earth or other plane of reference.


fault line

noun

  1. Also calledfault plane geology the surface of a fault fracture along which the rocks have been displaced
  2. a potentially disruptive division or area of contention

    Europe remains the main fault line in the Tory Party



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Word History and Origins

Origin of fault line1

First recorded in 1865–70

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