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Medical Definition of Rayl
1. Unit of acoustic impedance. 1 rayl = 1 kg × m-2 × sec-1. Origin: Baron Rayleigh (John W. Strutt), Eng. Physicist (05 Mar 2000)
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1. Unit of acoustic impedance. 1 rayl = 1 kg × m-2 × sec-1. Origin: Baron Rayleigh (John W. Strutt), Eng. Physicist (05 Mar 2000)