rayleigh-disk

Rayleigh disk

noun Acoustics, Mechanics.
a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.

Origin:
1910–15; named after J. W. S. Rayleigh

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rayleigh-disk
WordNet
rayleigh disk

noun
an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity 
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;