Main Entry:

cir·cu·la·tion

Pronunciation:

\ˌsər-kyə-ˈlā-shən\

Function:

noun

Date:

1535

1: orderly movement through a circuit ; especially : the movement of blood through the vessels of the body induced by the pumping action of the heart2: flow3 a: passage or transmission from person to person or place to place ; especially : the interchange of currency <coins in circulation> b: the extent of dissemination: as (1): the average number of copies of a publication sold over a given period (2): the total number of items borrowed from a library