Definition of altostratus in English:

altostratus

Syllabification: al·to·stra·tus
Pronunciation: /ˌaltōˈstrātəs, -ˈstratəs
 
 
/

noun

Cloud forming a continuous uniform layer that resembles stratus but occurs at medium altitude, usually 6,500–23,000 feet (2-7 km).
More example sentences
  • The grey layer looks like and should be an altostratus although the fronts look different in the tropical regions.
  • An altostratus cloud usually covers the whole sky and has a gray or blue-gray appearance.
  • Where enough light shows through cirrostratus clouds to create shadows, it does not with altostratus.

Origin

late 19th century: from modern Latin alto- (from Latin altus 'high') + stratus.

Definition of altostratus in:

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