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velocimeter

   Also found in: Encyclopedia 0.01 sec.
ve·lo·cim·e·ter  (vl-sm-tr, vl-)
n.
A device for measuring the speed of sound in water.


velocimeter  (vl-sm-tr, vl-)
A device that utilizes the Doppler effect to measure the speed of sound in water. Developed by the US Army Corps of Engineers, a velocimeter transmits a pulse of sound through water and measures its echo for changes in either pitch or frequency. Oceanographers employ velocimeters to study the interior structure of breaking waves; they are also used in hydraulic engineering and to study fluid flow.

velocimeter
a device for measuring speed or velocity, especially that of projectiles.
See also: Instruments


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Recent research concerning the use of a continuous wave Doppler velocimeter suggests this device may provide a more objective assessment of vertebral artery blood flow than the present provocative tests.
 
 
 
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