Dictionary.com
definitions
  • synonyms

Rayleigh disc

noun
  1. a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012