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English definition of “convection cell”

convection cell

noun [C]  /kenˈvek·ʃən ˌsel/
earth science the circular pattern of a gas, such as air, or a liquid, such as magma (= melted rock under the surface of the earth) rising and falling as it becomes hotter and cooler
(Definition of convection cell noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

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