'Circulation' definitions:

Definition of 'circulation'

From: WordNet
noun
The dissemination of copies of periodicals (as newspapers or magazines)
noun
Movement through a circuit; especially the movement of blood through the heart and blood vessels
noun
(library science) the count of books that are loaned by a library over a specified period
noun
Number of copies of a newspaper or magazine that are sold; "by increasing its circulation the newspaper hoped to increase its advertising"
noun
Free movement or passage (as of cytoplasm within a cell or sap through a plant); "ocean circulation is an important part of global climate"; "a fan aids air circulation"
noun
The spread or transmission of something (as news or money) to a wider group or area

Definition of 'Circulation'

From: GCIDE
  • Circulation \Cir`cu*la"tion\, n. [L. circulatio: cf. F. circulation.]
  • 1. The act of moving in a circle, or in a course which brings the moving body to the place where its motion began. [1913 Webster]
  • This continual circulation of human things. --Swift. [1913 Webster]
  • 2. The act of passing from place to place or person to person; free diffusion; transmission. [1913 Webster]
  • The true doctrines of astronomy appear to have had some popular circulation. --Whewell. [1913 Webster]
  • 3. Currency; circulating coin; notes, bills, etc., current for coin. [1913 Webster]
  • 4. The extent to which anything circulates or is circulated; the measure of diffusion; as, the circulation of a newspaper. [1913 Webster]
  • 5. (Physiol.) The movement of the blood in the blood-vascular system, by which it is brought into close relations with almost every living elementary constituent. Also, the movement of the sap in the vessels and tissues of plants. [1913 Webster]

Synonyms of 'circulation'

From: Moby Thesaurus