SONES
5
Scrabble
6
WWF
S(1) O(1) N(1) E(1) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
noun
- (acoustics) 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
Source: Wiktionary
