Simple past tense and past participle of rupture.(verb)
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Use "ruptured" in a sentence
"A spokesman for D.C. Water said a 16-inch main ruptured nearby on 14th Street NE, affecting 50 homes and the school; no repair time was estimated."
"The harshest message from environmentalists has been an early and anemic protest outside the White House calling the ruptured well "Obama's Crude Awakening.""
"In this case the point of infection was walled in, as all such cases are, with exudates and whether the appendix was primarily affected or not doesn't matter; it was within this enclosure and found to be ruptured, which is common; but its rupture was of no consequence because the escaped contents were in the abscess cavity that finally emptied into the cecum, the natural outlet in all these cases if they are left to nature and not officiously fingered -- thumbed and punched to death."