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anabatic

[an-uh-bat-ik]
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adjective Meteorology.
  1. pertaining to an uphill wind produced by the effects of local heating.Compare katabatic.
  2. (formerly) pertaining to any upward-moving air current.
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Origin of anabatic

1805–15; < Greek anabatikós pertaining to climbing or to a climber, equivalent to anaba- (stem of anabaínein; see anabaena) + -tikos -tic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for anabatic

anabatic

adjective
  1. meteorol (of air currents) rising upwards, esp up slopesCompare katabatic
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Word Origin

C19: from Greek anabatikos relating to ascents, from anabainein to go up; see anabasis
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

anabatic in Science

anabatic

[ăn′ə-bătĭk]
  1. Relating to warm, rising wind currents, especially those that are driven up the slopes of hills, mountains, and peaks. When air comes in contact with the warm ground surface, the air heats up, becomes less dense, and rises upward. Anabatic winds are especially common during the daytime in fair weather conditions. Compare katabatic.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.