Meaning of stratostat | Babel Free
Definitions
A balloon, usually uncrewed and filled with helium or hydrogen, released into the stratosphere for purposes of meteorology, scientific experiment, etc.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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