Kundt tube

[ koo nt ]
/ kʊnt /

noun Physics.

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.

Origin of Kundt tube

named after August Kundt (1839–94), German physicist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019