sone noun. [sǝʊn] E17.
[Latin sonus sound.]
1. Sound. Only in E17.

2. A unit of subjective loudness such that the number of sones is proportional to the loudness of a sound, a tone of frequency 1000 Hz and 40 dB above the listener's audibility threshold producing a loudness of one sone. M20.

[TahlilGaran] English Dictionary ▲