misreckoning

from WordNet (r) 3.0 (2006)
misreckoning
    n 1: a mistake in calculating [syn: {miscalculation},
         {misreckoning}, {misestimation}]
    
from The Collaborative International Dictionary of English v.0.48
Misreckoning \Mis*reck"on*ing\, n.
   An erroneous computation.
   [1913 Webster]
    

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