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velocimeter

[ vee-loh-sim-uh-ter, vel-oh- ]
/ ˌvi loʊˈsɪm ə tər, ˌvɛl oʊ- /
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noun

any of various instruments for measuring velocity, as of a wave in water or of sound in air.

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Origin of velocimeter

First recorded in 1842; veloci(ty) + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Scientific definitions for velocimeter

velocimeter
[ vē′lō-sĭmĭ-tər, vĕl′ō- ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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