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English definition of “flow”

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flow

verb [I]  /floʊ/ us  
(esp. of liquids, gases, or electricity) to move in one direction, esp. continuously and easily: Air flows over an aircraft’s wing faster than it flows under it. Lava from the volcano was flowing down the hillside. An electrical current flows from positive to negative. Many rivers flow into the Pacific Ocean. With fewer cars on the roads, traffic is flowing (= moving forward) more smoothly than usual. fig. My thoughts flow more easily (= I can think more easily) if I work on a word processor. Something can be said to flow if it hangs down loosely and attractively: Her long, red hair flowed down over shoulders.

flow

noun [C usually sing]  /floʊ/ us  
movement of a liquid: This drug increases the flow of blood to the heart. fig. Music interrupted the flow of the conversation (= the regular exchange between speakers). earth science A flow is also large mass of material, such as lava (= melted rock from a volcano), that is flowing or has flowed in the past.
(Definition of flow from the Cambridge Academic Content Dictionary © Cambridge University Press)
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