definition of
[attenuate]

[1] #1 attenuate v. [rarefy] weaken the consistency of (a chemical substance). wn

[2] #2 attenuate s. [attenuated, faded, weakened] reduced in strength; "the faded tones of an old recording". wn

[3] #3 attenuate v. become weaker, in strength, value, or magnitude. wn