Science / Weather / Circulation: The flow or motion of a fluid in or through a given area or volume. In meteorology, it is used to describe the flow of air as it moves around a pressure system in the atmosphere. It describes smaller patterns in semi-permanent pressure systems as well as the relatively permanent global currents of air. In oceanic terms, it is used to describe a water in current flow within a large area, usually a closed circular pattern such as in the North Atlantic.
Circulation Noun Synonyms: circuit, course, orbit, flow, flowing, motion
Health / Fitness / Coronary Circulation: Circulation of blood to the heart muscle associated with the blood carrying capacity of a specific vessel or development of collateral vessels (extra blood vessels). MORE
Science / Weather / Circulation Cells: Large areas of air movement created by the rotation of the earth and the transfer of heat from the equator toward the poles. Circulation is confined to a specific region, such as the tropics, temperat MORE