circulation

noun6

1. •
   The act of moving in a circle, or in a course which brings the moving body to the place where its motion began.
2. •
   The movement of the blood in the circulatory system, by which it is brought into close relations with the cells and tissues of the body; (loosely) the circulatory system.

   • In the dead state all is apparently without motion. No agent within indicates design, intelligence, or foresight: there is no respiration; no digestion, circulation, or nutrition; […] — 1822
3. •
   The movement of the sap in the vessels and tissues of plants.
4. •
   The extent to which anything circulates or is circulated; the measurement of diffusion, especially the number of copies sold of a publication.

   • June 1 2016, Karen Roberts in the Evening Express, Aberdeen Journals - The Broad Street Years The reputation and circulation of the paper continued to grow, and the board decided a new custom-built base was required for both the Press and Journal and Evening Express to replace the crumbling, but much loved, Broad Street offices.
5. •
   The act of passing from place to place or person to person; free diffusion; transmission.
6. •
   Currency; circulating coins; notes, bills, etc., current for coin.

   • The new bills will come into circulation next Friday.