WordWeb Online

1. 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. Weaken the consistency of (a chemical substance)
   - rarefy
    
2. Become weaker, in strength, value, or magnitude

See also: attenuation, attenuator, decreased, reduced

Type of: weaken

Encyclopedia: Attenuate