The Collaborative International Dictionary of English v.0.48:

Repetend \Rep`e*tend\ (r?p`?-t?nd"), n. [L. repetendus to be
   repeated, fr. repetere to repeat.] (Math.)
   That part of a circulating decimal which recurs continually,
   ad infinitum: -- sometimes indicated by a dot over the first
   and last figures; thus, in the circulating decimal .728328328
   + (otherwise .7..8...), the repetend is 283.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Decimal \Dec"i*mal\, n.
   A number expressed in the scale of tens; specifically, and
   almost exclusively, used as synonymous with a decimal
   fraction.
   [1913 Webster]

   Circulating decimal, or Circulatory decimal, a decimal
      fraction in which the same figure, or set of figures, is
      constantly repeated; as, 0.354354354; -- called also
      recurring decimal, repeating decimal, and repetend.
      [1913 Webster]