acoustic radiometer meaning

• [Electronics]
  An instrument for measuring the intensity of a sound wave (see SOUND INTENSITY) in terms of the unidirectional steady-state pressure exerted at a boundary as a result of absorption or reflection of the wave.
  
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  [Engineering]
  An instrument for measuring sound intensity by determining the unidirectional steady-state pressure caused by the reflection or absorption of a sound wave at a boundary.

• radiometer:    Noun: radiometer&n ...
• crookes radiometer:    Noun: Crookes radi ...
• net radiometer:    [Electronics]A dev ...

Examples

1. His work on acoustic radiometers coincided with that of Lord Rayleigh.