1. Become weaker, in strength, value, or magnitude
   "The radio signal attenuated as we drove further away"; "His influence attenuated over time"
    
2. (chemistry) weaken the consistency of (a chemical substance)
   "The solution was attenuated by adding more solvent";
   - rarefy, rarify [rare]

1. Reduced in strength
   "the attenuate tones of an old recording";
   - attenuated, faded, weakened

Derived forms: attenuated, attenuates, attenuating

See also: decreased, reduced

Type of: weaken

Encyclopedia: Attenuate