ring fracture
noun
A fracture in the form of a circle; (Geology ) a conical or nearly cylindrical fault associated with cauldron subsidence.
- .
Origin
Late 19th century.
- battleaxe
- Battleborn State
- battlebus
- Battle Creek
- battlecruiser
- battle cry
- battledore
- battledore and shuttlecock
- battledress
- battle fatigue
- battlefield
- battlefront
- battleground
- battleground state
- battle group
- battle it out
- battle jacket
- battlement
- battlemented
- Battle of Bosworth
- battler
- battle royal
- battle-scarred
- battleship
- battleship grey