1.
fault (geological)
A fracture or zone of fractures between two blocks of rock that have moved relative to each other.
活断層の上に建物を建てるのは危険だ。
It's dangerous to build structures on top of an active fault.
断層がずれて地震が発生した。
An earthquake occurred when the fault slipped.
2.
gap, discontinuity
A significant gap or break between groups, generations, or concepts.
世代間の断層が広がっている。
The generational gap is widening.
USAGE: In Japan, 断層 is an important term due to the country's seismic activity. Many major earthquakes are caused by fault movements.
COMMON COLLOCATIONS:
- 断層がずれる (a fault slips)
- 活断層 (active fault)
- 断層帯 (fault zone)
- 断層線 (fault line)
TYPES OF FAULTS:
- 正断層 - normal fault
- 逆断層 - reverse fault
- 横ずれ断層 - strike-slip fault
FIGURATIVE USAGE: 断層 is commonly used figuratively to describe gaps between generations (世代間の断層), social classes, or cultural values.
RELATED TO EARTHQUAKES: Japan has many 活断層 (active faults), and the study of faults is crucial for earthquake preparedness.
Related Words
Related:
地層 (stratum)