A specialized tube used to measure the static pressure in a stream of fluid.
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Pitot-statictube — Pi·tot stat·ic tube (pēʹtō stătʹĭk, pē tōʹ ) n. A device consisting of a Pitot tube and a static tube combined to measure simultaneously the total and static pressure in a fluid stream. It can be used in aircraft to determine relative wind speed … Universalium