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al•to•stra•tus



Pronunciation: (al"tō-strā'tus, -strat'us), [key]
n.,
pl. -tus.
Meteorol.
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).

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Altoonaaltricial
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