| 单词 | velocimeter |
| 释义 | velocimeter[ vee-loh-sim-uh-ter, vel-oh- ] / ˌvi loʊˈsɪm ə tər, ˌvɛl oʊ- / nounany of various instruments for measuring velocity, as of a wave in water or of sound in air. Origin of velocimeterFirst recorded in 1842; veloci(ty) + -meter Words nearby velocimetervellum, vellus, Velma, velobinding, veloce, velocimeter, velocipede, velociraptor, velocity, velocity head, velocity microphone Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for velocimetervelocimeter [ vē′lō-sĭm′ĭ-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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