altostratusnoun [ U ]
uk/ˌæl.təʊˈstrɑː.təs/us/ˌæl.toʊˈstreɪ.t̬əs/specializeda type of stratus (= a flat, grey cloud) formed in thin layers and found at medium height, above the level of stratus
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cirrostratus
nimbostratus
Thesaurus: synonyms and related words
Precipitation: clouds, dew, fog & steam
- billow
- cloud-capped
- cloudy
- condensation
- cumulonimbus
- dewdrop
- fog
- fog up
- hazy
- miasma
- pea soup
- smog
- steam
- steamy
- storm cloud
- stratocumulus
- thundercloud
- vapour trail
- visibility
- whiteout
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