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Huff-Duff

[ huhf-duhf ]
/ ˈhʌfˌdʌf /
SEE MORE SYNONYMS FOR Huff-Duff ON THESAURUS.COM

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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RELATED WORDS

GPS

Origin of Huff-Duff

vocalization of the abbreviation h.f.d.f. for high-frequency direction finder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019