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Kundt tube

American  
[koont] / kʊnt /

noun

Physics.

  1. a gas-filled tube used to measure the speed of sound: when a membrane at one end is vibrated at a frequency that produces standing waves, a layer of powder forms lumps at the nodes.

Etymology

Origin of Kundt tube

Named after August Kundt (1839–94), German physicist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.