2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Attenuation \At*ten`u*a"tion\, n. [L. attenuatio: cf F.
att['e]nuation.]
1. The act or process of making slender, or the state of
being slender; emaciation.
2. The act of attenuating; the act of making thin or less
dense, or of rarefying, as fluids or gases.
3. The process of weakening in intensity; diminution of
virulence; as the attenuation of virus.
From WordNet r 1.6 [wn]:
attenuation
n 1: weakening in force or intensity: "attenuation in the volume
of the sound" [syn: {fading}]
2: the property of something that has been weakened or reduced
in thickness or density
more about attenuation
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