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- Sound energy radiated by a source per unit of time. Unit, watt (W);
symbol, W.
- (W)
[ML2T-3]; in a specified frequency band, the rate at which acoustic energy
is radiated from a source. In general, the rate of flow of sound energy, whether
from a source, through an area, or into an absorber.
Source:
http://www.owenscorning.com/around/sound/glossary.asp
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