attenuated attenuated /əˈtɛnjuːˌeɪtɪd/

adjective

1. Reduced in strength  ( attenuate , attenuated , weakened , faded )
   reduced in strength
    The faded tones of an old recording
   the faded tones of an old recording
   
2. (electronics) of an electrical signal; reduced in amplitude with little or no distortion  ( attenuated )
   (electronics) of an electrical signal; reduced in amplitude with little or no distortion