| 单词 | altostratus |
| 释义 | altostratus[ al-toh-strey-tuhs, -strat-uhs ] / ˌæl toʊˈstreɪ təs, -ˈstræt əs / noun, plural al·to·stra·tus.Meteorology.a cloud of a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus: of medium altitude, about 8000–20,000 feet (2450–6100 meters). Origin of altostratusFirst recorded in 1890–95; alto- + stratus Words nearby altostratusAlton, Altona, Alton Towers, Altoona, alto-relievo, altostratus, altrices, altricial, alt-right, Altrincham, alt-rock Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for altostratusaltostratus / (ˌæltəʊˈstreɪtəs, -ˈstrɑː-) / noun plural -ti (-taɪ)a layer cloud at an intermediate height of about 2400 to 6000 metres (8000 to 20 000 feet) 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 altostratusaltostratus [ ăl′tō-străt′əs ] Plural altostrati (ăl′tō-străt′ī′)A mid-altitude cloud that extends in flat, smooth sheets or layers of varying thickness. Altostratus clouds generally form between 2,000 and 6,100 m (6,560 and 20,000 ft) and often produce long, steady rain showers. See illustration at cloud. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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