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Meaning of acoustic mirror | Babel Free

Noun CEFR B2

Definitions

A passive device for reflecting and often focusing sound waves, chiefly used to provide early warning of incoming aircraft (by detecting the sound of their engines).

CEFR level

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

acoustic model acoustic nerve acoustic neuroma acoustic perfume acoustic phonetics acoustic rock

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