1The hikers had to navigate through the narrow fissure in the mountain to reach the other side.
2Do you think the recent earthquakes have caused any new fissures in the ground?
3The geologists studied the large fissure in the rock face to learn more about the area's geological history.
4Be careful not to slip into the deep fissure in the ice, as it can be very dangerous.
5The scientists discovered a large fissure in the earth's surface that was emitting a significant amount of heat and gas.