extratropical cyclone

[ ek-struh-trop-i-kuhl sahy-klohn ]
/ ˈɛk strəˈtrɒp ɪ kəl ˈsaɪ kloʊn /
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noun Meteorology.

a cold-core storm system occurring over land or water and energized by the interaction of cold and warm air masses: the common frontal cyclones that produce much of the precipitation of the middle latitudes are examples of extratropical cyclones, as are blizzards and nor’easters.



In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
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The rainy weather could not ________ my elated spirits on my graduation day.
Also called mid-latitude cyclone [mid-lat-i-tood sahy-klohn], /ˈmɪdˈlæt ɪ tud ˈsaɪ kloʊn/, mid-latitude storm [mid-lat-i-tood stawrm]. /ˈmɪdˈlæt ɪ tud ˈstɔrm/.

Origin of extratropical cyclone

First recorded in 1920–25; extra- + tropical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Scientific definitions for extratropical cyclone

extratropical cyclone
[ ĕk′strə-trŏpĭ-kəl ]

See under cyclone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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