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Huff-Duff

[ huhf-duhf ]

Phonetic (Standard)IPA

noun

a method used by the Allies in World War II for locating enemy submarines and other naval or land targets through simultaneous bearings on their radio transmissions.

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Word History and Origins

Origin of Huff-Duff¹

Vocalization of the abbreviation h.f.d.f. for high-frequency direction finder

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Example Sentences

Examples have not been reviewed.

Its communications systems were supplying information to German submarines, and its American factories were assembling "Huff-Duff," the High Frequency Direction Finder used by the Allies to save their ships from German torpedoes.

From Time Magazine Archive

huff and puff huffing

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