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Definition of storm cloud noun from the Oxford Advanced Learner's Dictionary

storm cloud

noun
 
/ˈstɔːm klaʊd/
 
/ˈstɔːrm klaʊd/
[usually plural]
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  1. a dark cloud that you see when bad weather is coming
    • Above the mountains, storm clouds were gathering.
    • (figurative) The storm clouds of revolution were gathering.
    • In 1939 the storm clouds gathered over Europe.
See storm cloud in the Oxford Advanced American Dictionary
previously
adverb
 
 
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B1
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