From French rupture, or its source, Latin ruptura (“a breaking, rupture (of a limb or vein), in Medieval Latin also a road, a field, a form of feudal tenure, a tax, etc.”), from the participle stem of rumpere (“to break, burst”).
rupture (plural ruptures)
- A burst, split, or break.
- A social breach or break, between individuals or groups.
- (medicine) A break or tear in soft tissue, such as a muscle.
- (engineering) A failure mode in which a tough ductile material pulls apart rather than cracking.
See also 
- rupture in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- rupture in The Century Dictionary, The Century Co., New York, 1911
- rupture at OneLook Dictionary Search
- vocative masculine singular of ruptūrus