| 单词 | extratropical cyclone |
| 释义 | extratropical cyclone[ ek-struh-trop-i-kuhl sahy-klohn ] / ˈɛk strəˈtrɒp ɪ kəl ˈsaɪ kloʊn / 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. 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/. Compare subtropical cyclone, tropical cyclone. Origin of extratropical cycloneFirst recorded in 1920–25; extra- + tropical Words nearby extratropical cycloneextrasystole, extraterrestrial, extraterritorial, extraterritoriality, extra time, extratropical cyclone, extrauterine, extravagance, extravagancy, extravagant, Extravagantes Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for extratropical cycloneextratropical cyclone [ ĕk′strə-trŏp′ĭ-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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