[an-tee-sahy-klohn, an-tahy-]
noun Meteorology.
a circulation of winds around a central region of high atmospheric pressure, clockwise in the Northern Hemisphere, counterclockwise in the Southern Hemisphere. Compare cyclone ( def 1 ), high ( def 37 ).

1875–80; anti- + cyclone

anticyclonic [an-tee-sahy-klon-ik, an-tahy-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
anticyclone (ˌæntɪˈsaɪkləʊn)
meteorol Also called: high a body of moving air of higher pressure than the surrounding air, in which the pressure decreases away from the centre. Winds circulate around the centre in a clockwise direction in the N hemisphere and anticlockwise in the S hemisphere

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1877 (anticyclonic is recorded from 1871), coined by Francis Galton (1822-1911) from anti- + cyclone.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
anticyclone   (ān'tē-sī'klōn', ān'tī-)  Pronunciation Key 
A large-scale system of winds that spiral outward around a region of high atmospheric pressure. In the Northern Hemisphere the wind in an anticyclone moves clockwise, and in the Southern Hemisphere it moves counterclockwise. Compare cyclone.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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