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[ad-vek-shuh n] /ædˈvɛk ʃən/
Meteorology. the horizontal transport of atmospheric properties (distinguished from convection).
the horizontal flow of air, water, etc.
Origin of advection
1905-10; < Latin advectiōn- (stem of advectiō), equivalent to advect(us), past participle of advehere (ad- ad- + vec-, variant stem of vehere to carry, bring + -tus past participle suffix) + -iōn- -ion
Related forms
advective, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for advection


the transference of heat energy in a horizontal stream of gas, esp of air
Word Origin
C20: from Latin advectiō conveyance, from advehere, from ad- to + vehere to carry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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advection in Science
  1. The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass.

  2. The rate of change of an atmospheric property caused by the horizontal movement of air.

  3. The horizontal movement of water, as in an ocean current.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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