• The act of moving in a circle, or in a course which brings the moving body to the place where its motion began.
  • The act of passing from place to place or person to person; free diffusion; transmission.
  • Currency; circulating coins; notes, bills, etc., current for coin.
  • The extent to which anything circulates or is circulated; the measurement of diffusion
  • The movement of the blood in the circulatory system, by which it is brought into close relations with almost every living elementary constituent.
  • The movement of the sap in the vessels and tissues of plants.


  • From Middle English circulacioun, from Latin circulatio.
  • Morphologically circulate + -ion

Modern English dictionary

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