from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass: Today's temperatures were higher due to the advection of warm air into the region.
- n. The rate of change of an atmospheric property caused by the horizontal movement of air.
- n. The horizontal movement of water, as in an ocean current.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The horizontal movement of a body of atmosphere (or other fluid) along with a concomitant transport of its temperature, humidity etc.
- n. The transport of a scalar by bulk fluid motion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (meteorology) the horizontal transfer of heat or other atmospheric properties
Latin advectiō, advectiōn-, act of conveying, from advectus, past participle of advehere, to carry to : ad-, ad- + vehere, to carry; see wegh- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin advectio ("act of bringing"), from advectus (past participle of advehere ("to carry to"), from ad- + vehere ("to convey")) + -io. (Wiktionary)