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altostratus

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noun al·to·stra·tus \ˌal-tō-ˈstrā-təs, -ˈstra-\

Definition of altostratus

plural altostratiplay \-ˌtī\

  1. :  a fairly uniform mid-altitude layer of gray cloud darker than cirrostratus — see cloud illustration



Origin of altostratus

New Latin, from Latin altus + New Latin -o- + stratus


First Known Use: 1890

Rhymes with altostratus


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