The flowing out and in of the tide. / (figuratively) A large flowing out and in.

To alternately ebb and flow.

(physics) A form of electrochemical storage cell in which electrolyte flows between connected tanks; the direction of flow being opposite when the cell is charging and discharging; used to store electricity from intermittent suppliers such as wind farms.

The turbulent flow, with many eddies, downstream of a blunt body

(thermodynamics) An idealised fluid flow in which entropy remains constant throughout the flow, or along a particular streamline.

Alternative spelling of cashflow

Alternative spelling of cash flow

(computing) The route between origin, via nodes, to a destination taken by a packet of data / (computing) The transfer of data between the components of a computer

plural of data flow

(volcanology) A dense flow of volcanic ash, dust, rocks and debris that cascades at high speed down the slope of a volcano during an eruption.