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convection US English

The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat

convection cell US English

A self-contained convective zone in a fluid in which upward motion of warmer fluid in the center is balanced by downward motion of cooler fluid at the periphery

convection oven US English

A cooking device that heats food by the circulation of hot air

convection current US English

A current in a fluid that results from convection