| 单词 | downburst |
| 释义 | downburst[ doun-burst ] / ˈdaʊnˌbɜrst / nouna strong downward current of air from a cumulonimbus cloud, often associated with intense thunderstorms. Origin of downburstdown1 + burst Words nearby downburstdown-and-out, down-at-the-heels, down-ballot, downbeat, down-bow, downburst, down card, downcast, down cold, have, downcome, downcomer Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for downburstdownburst / (ˈdaʊnˌbɜːst) / nouna very high-speed downward movement of turbulent air in a limited area for a short time. Near the ground it spreads out from its centre with high horizontal velocitiesAlso called: microburst 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 Scientific definitions for downburstdownburst [ doun′bûrst′ ] An extremely powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity. Downbursts can produce effects that resemble those brought about by tornadoes. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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