Student Dictionary

One entry found for cirrus.
Main Entry: cir·rus
Pronunciation: primarystresssir-schwas
Function: noun
Inflected Form(s): plural cir·ri /primarystresssi(schwa)r-secondarystressimacr/
: a thin white cloud usually of tiny ice crystals formed at altitudes about 20,000 to 40,000 feet (6,000 to 12,000 meters)

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