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watershed Definition

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watershed
noun(wa-ter-shed)
a crucial dividing point, line, or factor : turning point
watershed
noun(wa-ter-shed)
a region or area bounded peripherally by a divide and draining ultimately to a particular watercourse or body of water
watershed
noun(wa-ter-shed)
divide
watershed
noun(wa-ter-shed)
a localized area of ischemic tissue death in an area of the brain situated at the farthest point of blood supply from two separate cerebral arterial systems that is caused by inadequate blood flow (as from low blood pressure, vasculitis, or blood clot obstruction)
watershed
noun(wa-ter-shed)
a stroke resulting from such ischemic tissue death

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