convection
Noun
Meaning
The act or process of conveying or transmitting.
A process of transfer or transmission, as of heat or electricity, by means of currents in liquids or gases, resulting from changes of temperature and other causes.
Source: Webster's dictionarySynonyms
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Examples
Above that are the outer layers that form a convection zone where the gas material transports energy primarily through physical displacement of the gas.
A common example of natural convection is the rise of smoke from a fire.
After the pannus types, the remaining accessory clouds comprise formations that are associated mainly with upward-growing cumuliform and cumulonimbiform clouds of free convection.
Also A-stars do not have convection zones but they do not emit at the UV and X-ray wavelengths.
Accretion occurs over geoidal lows that can be caused by avalanche slabs or the downgoing limbs of convection cells.
A portion of the core's thermal energy is transported toward the crust by mantle plumes ; a form of convection consisting of upwellings of higher-temperature rock.