What is another word for altostratus?
Pronunciation: [ˈaltəstɹˌatəs] (IPA) 
Altostratus is a type of cloud seen in the middle altitude range, typically measuring between 2000-7000 meters. It is a thick greyish cloud that often covers the entire sky. There are a few synonyms frequently used to refer to this type of cloud formation. One frequent synonym is "high stratus," which refers to its high altitude placement. Another synonym is "translucent sheet cloud," which describes the cloud's appearance as a thin, grey sheet. "Stratus praecipitatus" is another term used for this type of cloud when it is accompanied by light precipitation. Despite the various names given to altostratus clouds, they all describe an overcast, grey sky typically seen on rainy days.
