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a polar katabatic wind
Of or relating to the downward flow of cold dense air: a katabatic wind.
[Greek katabatikos, pertaining to descent, from katabatos, descending : kata-, cata- + batos, going; see gwā- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Environmental Science) (of winds) blowing downhill through having become denser with cooling, esp at night when heat is lost from the earth's surface. Compare anabatic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
kat•a•bat•ic(ˌkæt əˈbæt ɪk)
(of a wind) moving downward or down a slope.
[1915–20; < Greek katabatikós pertaining to descent]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
katabatic- Skiing is a katabatic sport—moving down a slope or valley.
See also related terms for slope.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
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|Adj.||1.||katabatic - of an air current or wind; moving downward or down a slope because of cooling especially at night|
meteorology - the earth science dealing with phenomena of the atmosphere (especially weather)
anabatic - of an air current or wind; rising especially up a slope; "an anabatic wind"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.