Kidney cross section. Acute kidney failure occurs when your kidneys suddenly become unable to filter waste products from your blood. When your kidneys lose their filtering ability, dangerous levels of wastes may accumulate, and your blood's chemical makeup may get out of balance. Acute kidney failure â also called acute renal failure or acute kidney injury â develops rapidly over a few hours or a few days. Acute kidney failure is most common in people who are already hospitalized, particularly in critically ill people who need intensive care.
Definition of windbreak. : a growth of trees or shrubs serving to break the force of wind; broadly : a shelter (such as a fence) from the wind.
Knockdown-a circumstance where a vessel is laid over on its beam ends by the wind or waves far enough for water to come over the gunwale. Knot - 1. a unit of wind or sailing speed, one knot=6,076 feet per hour, one nautical mile per hour. 10 knots is equivalent to 11.5 mph and 18 kilometers per hour (kph). (Note: The expression knots per hour is incorrect since that would be redundant and describe acceleration not speed; knots per hour per hour.) 2.