a measure of the acoustic properties of a room, equal to the time taken for a sound to fall in intensity by 60 decibels. It is usually measured in seconds
reverberation time in American English
noun
the time it takes for a sound made in a room to diminish by 60 decibels
Word origin
[1925–30]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: buildup, decibel, distinctive feature, gimmick, payload
Examples of 'reverberation time' in a sentence
reverberation time
That, too, was a massive engineering task, and the result - extending the reverberation time from 1.1 to 1.6 seconds - is hardly earth-shattering.
Times, Sunday Times (2016)
And moveable wall drapes and panels mean that the reverberation time can be varied between 2.5 and 1.8 seconds, depending on repertoire and audience size.
Times, Sunday Times (2009)
The physicist's enthusiasm is as admirable as the breadth of why a 1930s oil storage depot holds the world record for the longest reverberation time.