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.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Origin of Rayleigh disk
First recorded in 1910–15; named after J. W. S. Rayleigh
Words nearby Rayleigh disk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020