Attenuation
WordNet
noun
(1) The property of something that has been weakened or reduced in thickness or density
(2) Weakening in force or intensity
"Attenuation in the volume of the sound"
WiktionaryText
Noun
- A gradual diminishing in the strength of something.
- A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
- A weakening in the virulence of a pathogen or other microorganism.
- The tapering of a leaf etc to a fine point.
- A fabrication process in which a material is stretched out into a thin shape.