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advection

[ad-vek-shuh n]
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noun
  1. Meteorology. the horizontal transport of atmospheric properties (distinguished from convection).
  2. the horizontal flow of air, water, etc.
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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 formsad·vec·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for advection

advection

noun
  1. the transference of heat energy in a horizontal stream of gas, esp of air
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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

advection in Science

advection

[ăd-vĕkshən]
  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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.