rift

US /rɪft/
UK /rɪft/
"rift" picture
1.

a crack, split, or break in something

:
A deep rift appeared in the glacier.
The earthquake caused a massive rift in the earth's surface.
2.

a serious break in friendly relations between people or groups

:
The disagreement caused a deep rift between the two friends.
Political differences created a growing rift within the party.
1.

to form a crack or split

:
The ice began to rift under the pressure.
The tectonic plates rift apart, creating new crust.