convection cell

noun

Physics.

1. a distinct volume of circulating fluid, in a fluid medium under gravity, that is heated from below and cooled from above: usually found in large groupings.

Example Sentences

Harper added: "It is also possible that a cool convection cell is associated with the appearance of dust, in which case both are responsible."

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"So when it brightened again it was business as usual; this would follow from the convection cell idea."

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One is the emergence of a large, unusually cool convection cell — a blob of cooling plasma on its surface.

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One leading explanation for the dimming is the emergence of a large, unusually cool convection cell.

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Observations by terrestrial telescopes suggested that the probe, which survived for less than an hour before contact was lost, ended up in the downdraft of a giant atmospheric convection cell.

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