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 called: fault 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

Word History and Origins

Origin of fault line¹

First recorded in 1865–70

Example Sentences

Afghanistan is very prone to earthquakes because of its location on top of a number of fault lines where the Indian and Eurasian tectonic plates meet.

From BBC

Yet, Brexit is a major fault line that sharply distinguishes those who do and do not support Reform.

From BBC

The country is very prone to earthquakes because it is located on top of a number of fault lines where the Indian and Eurasian tectonic plates meet.

From BBC

Afghanistan is no stranger to earthquakes as it sits on a number of fault lines.

From BBC

Parson’s move could reopen political fault lines in Jefferson City, where Republican majorities have clashed with Democrats — and sometimes with each other — over how aggressively to pursue gerrymanders.

From Salon

Related Words

• rift