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Diffusion vs Convection - What's the difference?

diffusion | convection |

In physics terms the difference between diffusion and convection

is that diffusion is the intermingling of the molecules of a fluid due to random thermal agitation while convection is the transmission of heat in a fluid or gas by the circulation of currents.

As nouns the difference between diffusion and convection

is that diffusion is the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion while convection is the process of conveying something.

diffusion

English

Noun

(en noun)
  • the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion
  • (physics) the scattering of light by reflection from a rough surface, or by passage through a translucent medium
  • (physics) the intermingling of the molecules of a fluid due to random thermal agitation
  • the spread of cultural or linguistic practices, or social institutions, in one or more communities
  • (physics, weather) Exchange of airborne media between regions in space in an apparently random motion of a small scale.
  • the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
  • convection

    Alternative forms

    * convexion

    Noun

    (-)
  • The process of conveying something.
  • (physics) The transmission of heat in a fluid or gas by the circulation of currents.
  • (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.
  • Coordinate terms

    * (physics) conduction, radiation

    Derived terms

    * forced convection * free convection * gravitational convection

    See also

    * weather

    References

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