fault line
noun /ˈfɔːlt laɪn/
/ˈfɔːlt laɪn/
- (geology) a place where there is a long break in the rock that forms the surface of the earth and where earthquakes are more likely to happen
- The fact that Tokyo sits directly on a fault line has resulted in a string of powerful earthquakes over the centuries.
- an issue that people disagree about and may, as a result, lead to conflict
- The two men are from opposite sides of the nation's political fault line.