Circulating

circulating
    adj 1: passing from one to another; "circulating bills and
           coins"
    

circulating \circulating\ adj.
   1. moving or flowing in a circuit and returning to the same
      point; as, steam circulating through the pipes; the
      circulating thyroid hormones.
      [WordNet 1.5]

   2. passing from one to another. [prenominal]
      [WordNet 1.5]
    

Circulate \Cir"cu*late\, v. i. [imp. & p. p. {Circulated}; p.
   pr. & vb. n. {Circulating}.] [L. circulatus, p. p. of
   circulare, v. t., to surround, make round, circulari, v. i.,
   to gather into a circle. See {Circle}.]
   [1913 Webster]
   1. To move in a circle or circuitously; to move round and
      return to the same point; as, the blood circulates in the
      body. --Boyle.
      [1913 Webster]

   2. To pass from place to place, from person to person, or
      from hand to hand; to be diffused; as, money circulates; a
      story circulates.
      [1913 Webster]

   {Circulating decimal}. See {Decimal}.

   {Circulating library}, a library whose books are loaned to
      the public, usually at certain fixed rates.

   {Circulating medium}. See {Medium}.
      [1913 Webster]