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Definition of weather balloon noun from the Oxford Advanced Learner's Dictionary

weather balloon

noun
 
/ˈweðə bəluːn/
 
/ˈweðər bəluːn/
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  1. a balloon that carries instruments into the atmosphere to measure weather conditionsTopics Scientific researchc2
See weather balloon in the Oxford Advanced American Dictionary
Check pronunciation: weather balloon

Nearby words

brink
noun
 
 
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Danger
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