rupture

Etymology

Borrowed from Middle French rupture, or its source, Latin ruptūra (“a breaking, rupture (of a limb or vein)”) and Medieval Latin ruptūra (“a road, a field, a form of feudal tenure, a tax, etc.”), from the participle stem of rumpere (“to break, burst”).

noun

1. A burst, split, or break.
2. A social breach or break, between individuals or groups.
   He knew that policy would disincline Napoleon from a rupture with his family. 1825, Edward Everett, Claims of the United States on Naples and Holland
   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. 1761, The Modern Part of an Universal History
3. (medicine) A break or tear in soft tissue, such as a muscle.
4. (engineering) A failure mode in which a tough ductile material pulls apart rather than cracking.

verb

1. (transitive, intransitive) To burst, break through, or split, as under pressure.
2. (botany, intransitive) To dehisce irregularly.