circulation

The definition of circulation is free movement or moving about in a specific course.

(noun)

  1. An example of circulation is air freely flowing into a classroom from the hallway and windows.
  2. An example of circulation is blood moving through the body.

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See circulation in Webster's New World College Dictionary

noun

  1. free movement around from place to place, as of air in ventilating
  2. the act of moving around in a complete circuit; specif., the movement of blood out of and back to the heart through the arteries and veins
  3. the flow of sap in a plant
  4. the passing of something, as money or news, from person to person or place to place; dissemination
    1. the distribution of newspapers, magazines, etc. among readers
    2. the extent to which something is circulated, as the average number of copies of a magazine sold in a given period

Origin: ME circulacioun < L circulatio: see circulate

See circulation in American Heritage Dictionary 4

noun
  1. Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart's pumping action.
  2. a. Movement or passage through a system of vessels, as of water through pipes; flow.
    b. Free movement or passage.
  3. The passing of something, such as money or news, from place to place or person to person.
  4. a. The condition of being passed about and widely known; distribution.
    b. Dissemination of printed material, especially copies of newspapers or magazines, among readers.
    c. The number of copies of a publication sold or distributed.

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