rupture

Short definition from Wiktionary

Noun

1. 1
   A burst, split, or break.
2. 2
   A social breach or break, between individuals or groups.
3. 3
   A break or tear in soft tissue, such as a muscle.
4. 4
   A failure mode in which a tough ductile material pulls apart rather than cracking.

Verb

1. 1
   To burst, break through, or split, as under pressure.
2. 2
   To dehisce irregularly.