Definition of sone in English:

sone

Syllabification: sone
Pronunciation: /sōn
 
/

noun

  • A unit of subjective loudness, equal to 40 phons.
    More example sentences
    • Technically, one sone equals a 1-khz tone at 40 dB SPL (Sound Pressure Level).
    • At the quieter end of the spectrum, you'll find ones rated at a much quieter 2.5 sones, and the price goes up to about $100.

Origin

1930s: from Latin sonus 'a sound'.

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