Share this entry
advection Line breaks: ad|vec¦tion
Pronunciation: /ədˈvɛkʃ(ə)n/

Definition of advection in English:


[mass noun]
The transfer of heat or matter by the flow of a fluid, especially horizontally in the atmosphere or the sea.
Example sentences
  • The first is due to initial conductive cooling; in the second, heat advection is controlled by fluid circulation.
  • A spectacular form of heat advection occurs when molten rock, or magma, erupts from a volcano.
  • There are two processes that change: advection (i.e. transport of the water vapour by the air flow) diffusion (i.e. spreading out by molecular effects)


Example sentences
  • However, the general circulation in the Santa Barbara Channel tends to be cyclonic, which often advects cool surface waters eastward along the northern coasts of the Channel Islands.
  • As a result of this, in the northern hemisphere, polar air in the lower troposphere is frequently advected into middle latitudes and, occasionally, even as far as subtropical latitudes.
  • This moisture can be advected to the coast to feed storms and tornadoes.
Example sentences
  • When dissolved solids are carried along with the flowing groundwater, the process is called advective transport or convection.
  • During summer, vertical advective processes appear to be limited to the upper 200 m, where upwelling in the open water leads to a doming structure.
  • Despite the thickness of this relatively stagnant water mass of more than 1000 m, the water age (time since last contact with the atmosphere) is only slightly more than a decade, indicating large-scale advective exchange.


Early 20th century: from Latin advectio(n-), from advehere 'bring', from ad- 'to' + vehere 'carry'.

Definition of advection in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources