ve·lo·cim·e·ter (v  l -s m -t r, v l-)n. A device for measuring the speed of sound in water. [veloci(ty) + -meter.] |
| 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.
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