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View synonyms for convection
convection
[ kuhn-vek-shuhn ]
noun
- Physics. the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
- Meteorology. the vertical transport of atmospheric properties, especially upward ( advection ).
- the act of conveying or transmitting.
convection
/ kənˈvɛkʃən /
noun
- a process of heat transfer through a gas or liquid by bulk motion of hotter material into a cooler region Compare conduction
- meteorol the process by which masses of relatively warm air are raised into the atmosphere, often cooling and forming clouds, with compensatory downward movements of cooler air
- geology the slow circulation of subcrustal material, thought to be the mechanism by which tectonic plates are moved
convection
/ kən-vĕk′shən /
- Current in a fluid caused by uneven distribution of heat. For example, air on a part of the Earth's surface warmed by strong sunlight will be heated by contact with the ground and will expand and flow upward, creating a region of low pressure below it; cooler surrounding air will then flow in to this low pressure region. The air thus circulates by convection, creating winds.
- See Note at conduction
convection
- The motion of warm material that rises, cools off, and sinks again, producing a continuous circulation of material and transfer of heat . Some examples of processes involving convection are boiling water, in which heat is transferred from the stove to the air; the circulation of the atmosphere of the Earth , transferring heat from the equator to the North Pole and South Pole ; and plate tectonics , in which heat is transferred from the interior of the Earth to its surface.
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Derived Forms
- conˈvective, adjective
- conˈvectional, adjective
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Other Words From
- con·vection·al adjective
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Word History and Origins
Origin of convection1
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Word History and Origins
Origin of convection1
C19: from Late Latin convectiō a bringing together, from Latin convehere to bring together, gather, from vehere to bear, carry
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Example Sentences
The bag may be called a "convection shield," slowing convection-cooling due to air currents.
From Project Gutenberg
This mode of propagation may better be described as a convection of excitation.
From Project Gutenberg
This is illustrated by the seasonal variation in convection.
From Project Gutenberg
In summer, when the gradient is steepest, convection reaches its maximum.
From Project Gutenberg
In the part BNA, the electricity is carried by a moving conductor; it is said to be displaced by convection.
From Project Gutenberg
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