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Meaning of attenuate

at•ten•u•ate

Pronunciation: (v.u-ten'y-āt"adj.u-ten'y-it, -āt"), [key]
— v., adj. -at•ed, -at•ing,
—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. to render less virulent, as a strain of pathogenic virus or bacterium.
  4. to decrease the amplitude of (an electronic signal).
—v.i.
  1. to become thin or fine; lessen.
—adj.
  1. weakened; diminishing.
  2. tapering gradually to a narrow extremity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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