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Webster 1913 Edition


Convection

Con-vec′tion

,
Noun.
[L.
convectio
, fr.
convehere
to bring together;
con-
+
vehere
to carry.]
1.
The act or process of conveying or transmitting.
2.
(Physics)
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.
Liquids are generally heated by
convection
– when heat is applied from below.
Nichol.

Definition 2024


convection

convection

English

Alternative forms

Noun

convection (countable and uncountable, plural convections)

  1. The process of conveying something.
  2. (physics) The transmission of heat in a fluid or gas by the circulation of currents.
  3. (meteorology) The vertical movement of heat and moisture, especially by updrafts and downdrafts in an unstable air mass. The terms convection and thunderstorm are often used interchangeably, although thunderstorms are only one form of convection. Towering cumulus clouds are visible forms of convection.

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See also

References

  • convection” in Douglas Harper, Online Etymology Dictionary (2001).