noun
a measuring instrument used to measure static pressure in a stream of fluid
• Hypernyms: ↑measuring instrument, ↑measuring system, ↑measuring device
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noun : a usually closed tube that is used for indicating static as distinct from impact pressure in a stream of fluid (as air), has perforations in its sides, is placed parallel to direction of flow, and has a conical forward end fitted with a branch tube so as to provide for a connection with a manometer
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a tube for measuring the static pressure of a fluid in motion, so placed in the fluid as not to be affected by the pressure changes caused by the motion of the fluid.
[1930-35]
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static tube,
a small tube for measuring the static pressure of the air or other fluids, used especially on aircraft.
Useful english dictionary. 2012.