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Noun
1. nimbostratusMeteorology
Wikipedia definition
2. Nimbostratus cloudA nimbostratus cloud is characterized by a formless cloud layer that is almost uniformly dark gray. "Nimbo" is from the Latin word "nimbus", which denotes precipitation. It is generally a stratiform cloud of moderate vertical development (family D1) that produces precipitation, developing cloud bases between the surface and about 10000 ft (3000 m). This cloud typically forms from altostratus in the middle altitude range then subsides into the low altitude range during precipitation.
Read “Nimbostratus cloud” on English Wikipedia
Read “乱層雲” on Japanese Wikipedia
Read “Nimbostratus cloud” on DBpedia

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