[ 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


ad·vec·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for advection

/ (ədˈvɛkʃən) /


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

Word Origin for advection

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

Scientific definitions for advection

[ ăd-vĕkshən ]

The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass.
The rate of change of an atmospheric property caused by the horizontal movement of air.
The horizontal movement of water, as in an ocean current.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.