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war tuba

Noun CEFR B2

Definitions

An acoustic locator, vaguely resembling a tuba, used (by Japan during the World Wars) to provide early warning of incoming aircraft.

Equivalents

CEFR level

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

war veteran war wagon war whoop war widow war work war worker

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