WordWeb Online

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

1. Become weaker, in strength, value, or magnitude
    
2. (chemistry) weaken the consistency of (a chemical substance)
   - rarefy, rarify [rare]

See also: decreased, reduced

Type of: weaken

Encyclopedia: Attenuated