DICT.TW Dictionary Taiwan

 attenuation
 變薄,稀薄化,弄細,衰減

 at·ten·u·a·tion /əˌtɛnjəˈweʃən/ 名詞
 弱化,衰減,減毒作用

 attenuation
 衰減 ATTEN

 attenuation
 衰減

 At·ten·u·a·tion n.
 1. The act or process of making slender, or the state of being slender; emaciation.
 2. The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.
 3. The process of weakening in intensity; diminution of virulence; as, the attenuation of virus.
 ◄ ►

 attenuation
      n 1: weakening in force or intensity; "attenuation in the volume
           of the sound" [syn: fading]
      2: the property of something that has been weakened or reduced
         in thickness or density