sone

noun

ˈsōn 

: a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing

Word History

Etymology

International Scientific Vocabulary, from Latin sonus sound — more at sound entry 1

First Known Use

1936, in the meaning defined above

Medical Definition

sone

noun

ˈsōn 

: a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing