fault line


noun Geology.

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

Origin of fault line

First recorded in 1865–70

Example sentences from the Web for fault line

  • There is, moreover, evidence of actual compression of the earth's crust at right angles to the fault-line.

British Dictionary definitions for fault line

fault line

noun

Also called: fault plane geology 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