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Dictionary


at•ten•u•ate



Pronunciation: (
v.u-ten'yOO-āt";
adj.u-ten'yOO-it, -āt"),
[key]
v., -at•ed, -at•ing,
adj.


v.t.
1. to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire.
2. to make thin; make slender or fine.
3. Bacteriol., Immunol.to render less virulent, as a strain of pathogenic virus or bacterium.
4. Electronics.to decrease the amplitude of (an electronic signal).

v.i.
to become thin or fine; lessen.

adj.
1. weakened; diminishing.
2. Bot.tapering gradually to a narrow extremity.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

attenuantattenuation
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