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Meaning of sonobuoy | Babel Free

Noun CEFR B2

Definitions

A buoy that sends a radio signal when it detects the sound of underwater objects (such as submarines).

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

sonocardiography sonocatalysis sonocatalyst sonochemiluminescence sonochemist sonochemistry