fault line

fault line

n1. (Geological Science) Also called: fault plane geology the surface of a fault fracture along which the rocks have been displaced2. a potentially disruptive division or area of contention: Europe remains the main fault line in the Tory Party.

fault′ line`

n. 1. the intersection of a geologic fault with the surface of the earth or other plane of reference. 2. a boundary between incompatible or irreconcilable beliefs, cultures, or the like. [1865–70]

Thesaurus

Noun

1.

fault line - (geology) line determined by the intersection of a geological fault and the earth's surfacegeology - a science that deals with the history of the earth as recorded in rocksline - a spatial location defined by a real or imaginary unidimensional extentfaulting, geological fault, fracture, break, fault, shift - (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other; "they built it right over a geological fault"; "he studied the faulting of the earth's crust"