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Meaning of deficiency

de•fi•cien•cy

Pronunciation: (di-fish'un-sē), [key]
— pl. -cies.
  1. the state of being deficient; lack; incompleteness; insufficiency.
  2. the amount lacked; a deficit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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