attenuation Meaning, Definition & Usage

  1. noun weakening in force or intensity
    fading.
    • attenuation in the volume of the sound
  2. noun the property of something that has been weakened or reduced in thickness or density

WordNet

At*ten`u*a"tion noun
Etymology
L. attenuatio: cf. F. atténuation.
Definitions
  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.

Webster 1913