Source : Webster's Revised Unabridged Dictionary (1913)

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

   {Circulating}, 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}.

Circulatory \Cir"cu*la*to*ry\, a. [L. circulatorius pert. to a
   mountebank: cf. F. circulatoire.]
   1. Circular; as, a circulatory letter. --Johnson.

   2. Circulating, or going round. --T. Warton.

   3. (Anat.) Subserving the purposes of circulation; as,
      circulatory organs; of or pertaining to the organs of
      circulation; as, circulatory diseases.

Circulatory \Cir"cu*la*to*ry\, n.
   A chemical vessel consisting of two portions unequally
   exposed to the heat of the fire, and with connecting pipes or
   passages, through which the fluid rises from the overheated
   portion, and descends from the relatively colder, maintaining
   a circulation.

Source : WordNet®

circulatory
     adj 1: of or relating to circulation [syn: {circulative}]
     2: relating to circulatory system or to circulation of the
        blood