rupture

A burst, split, or break.countableuncountable

• Hatch from the egg, that soon, / Bursting with kindly rupture, forth disclosed / Their callow young.

A social breach or break, between individuals or groups.countableuncountable

• Thus a war was kindled with Lubec; Denmark took part with the king's enemies, and made use of a frivolous pretence, which demonstrated the inclination of his Danish majesty to come to a rupture.
• He knew that policy would disincline Napoleon from a rupture with his family.

A break or tear in soft tissue, such as a muscle.countableuncountable

A failure mode in which a tough ductile material pulls apart rather than cracking.countableuncountable

To burst, break through, or split, as under pressure.ambitransitive

• The cracking sound, he explained, as far as I, a non-plumber, could understand, was the sound of the overworked, undermaintained and weirdly installed heating unit’s core rupturing and spilling water into the basement.

To dehisce irregularly.intransitive