blackness

from WordNet (r) 3.0 (2006)

blackness
    n 1: the quality or state of the achromatic color of least
         lightness (bearing the least resemblance to white) [syn:
         {black}, {blackness}, {inkiness}] [ant: {white},
         {whiteness}]
    2: total absence of light; "they fumbled around in total
       darkness"; "in the black of night" [syn: {total darkness},
       {lightlessness}, {blackness}, {pitch blackness}, {black}]

from The Collaborative International Dictionary of English v.0.48

Blackness \Black"ness\, n.
   The quality or state of being black; black color;
   atrociousness or enormity in wickedness.
   [1913 Webster]

         They're darker now than blackness.       --Donne.
   [1913 Webster]