Deficiency \De*fi"cien*cy\, n.; pl. Deficiencies. [See
   Deficient.]
   The state of being deficient; inadequacy; want; failure;
   imperfection; shortcoming; defect. "A deficiency of blood."
   --Arbuthnot.
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         [Marlborough] was so miserably ignorant, that his
         deficiencies made him the ridicule of his
         contemporaries.                          --Buckle.
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   Deficiency of a curve (Geom.), the amount by which the
      number of double points on a curve is short of the maximum
      for curves of the same degree.
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