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altostratus - 3 dictionary results
al⋅to⋅stra⋅tus
[al-toh-strey-tuh
s, -strat-uhs] 
–noun, plural -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 ft. (2450–6100 m). |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To altostratus
| al·to·stra·tus (āl'tō-strā'təs, -strāt'əs) n. An extended cloud formation of bluish or gray sheets or layers. [Latin altus, high; see al-2 in Indo-European roots + stratus.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
| altostratus (āl'tō-strāt'əs) Pronunciation Key
Plural altostrati (āl'tō-strāt'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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2009, Dictionary.com, LLC. All rights reserved.
