unevenness
  不平坦;不均
  Un·e·ven a.
  1. Not even; not level; not uniform; rough; as, an uneven road or way; uneven ground.
  2. Not equal; not of equal length.
     Hebrew verse consists of uneven feet.   --Peacham.
  3. Not divisible by two without a remainder; odd; -- said of numbers; as, 3, 7, and 11 are uneven numbers.
  Un*e*ven*ly, adv. -- Un*e*ven*ness, n.
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  unevenness
       n 1: a quality of variability and lack of uniformity [syn: variability]
            [ant: evenness, evenness]
       2: the quality of being unbalanced [ant: evenness]