tropical depression
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/07/Maria%2C_Bopha_and_Saomai_2006-08-07_0435Z.jpg/250px-Maria%2C_Bopha_and_Saomai_2006-08-07_0435Z.jpg)
Noun
[edit]tropical depression (plural tropical depressions)
- (meteorology) organized low-pressure system of thunderclouds with closed surface circulation and maximum sustained winds of less than 34 knots (63 km) per hour.
Translations
[edit]region of low pressure
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