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fault line

noun, Geology
the intersection of a fault with the surface of the earth or other plane of reference.
Origin of fault line
1865-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fault line
  • The article says that aftershocks usually occur further along down the same fault line.
  • Seismologists had warned that the dam should not be built because of its proximity to a major fault line.
  • Each party has to learn a lesson here, and their mistakes balance each other out, so the fault line stabilizes in the middle.
  • The drifts follow a major fault line which runs east and west through the mountains.
  • The area is geologically active, including a fault line running under the proposed site for the cask staging area.
  • There is a still deeper fault line within medical practice.
  • For earthquake freaks, it's the best place in the world to experience an active fault line.
  • If a building stands on a fault line, little can be done to protect it during an earthquake.
  • In contrast, a fault line is a line that stretches along the ground.
British Dictionary definitions for fault line

fault line

(geology) Also called fault plane. the surface of a fault fracture along which the rocks have been displaced
a potentially disruptive division or area of contention: Europe remains the main fault line in the Tory Party
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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