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advection

 [ad-vek-shuhn]  

ad·vec·tion

   [ad-vek-shuhn]
noun
1.
Meteorology. the horizontal transport of atmospheric properties (distinguished from convection).
2.
the horizontal flow of air, water, etc.
Origin:
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
ad·vec·tive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Advection is always a great word to know.
So is windchill factor. Does it mean:
an intense, localized downdraft of air that spreads on the ground, causing rapid changes in wind direction and speed; a localized downpour
the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed
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Collins
World English Dictionary
advection (ədˈvɛkʃən)
 
—n
the transference of heat energy in a horizontal stream of gas, esp of air
 
[C20: from Latin advectiō conveyance, from advehere, from ad- to + vehere to carry]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
advection   (ād-věk'shən)  Pronunciation Key 

  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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Encyclopedia Britannica
Encyclopedia

advection

in atmospheric science, change in a property of a moving mass of air because the mass moves to a region where the property has a different value (e.g., the change in temperature when a warm air mass moves into a cool region). Advection can refer to either the horizontal or vertical components of the motion

Learn more about advection with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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