1. the dissemination of copies of periodicals (as newspapers or magazines)(Freq. 4) • Derivationally related forms: circulate • Hypernyms: dissemination, airing, public exposure, spreading 2. movement through a circuit; especially the movement of blood through the heart and blood vessels (Freq. 1) • Derivationally related forms: circulate • Hypernyms: organic phenomenon • Hyponyms: systemic circulation, pulmonary circulation, vitelline circulation • Part Meronyms: blood pressure 3.(library science) the count of books that are loaned by a library over a specified period • Topics: library science • Hypernyms: count 4. number of copies of a newspaper or magazine that are sold - by increasing its circulation the newspaper hoped to increase its advertising • Derivationally related forms: circulate • Hypernyms: count 5. 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 • Derivationally related forms: circulate • Topics: plant, flora, plant life • Hypernyms: change of location, travel 6. the spread or transmission of something (as news or money) to a wider group or area • Derivationally related forms: circulate • Hypernyms: spread, spreading • Hyponyms: recirculation