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/ˌɪntərnˈæʃənəl nˈɔtəkəl maɪl/ Listen International nautical mile
noun 1.A unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude. Synonyms: air mile, knot, mi, mile, naut mi, nautical mile.
WordNet 3.0 © 2010 Princeton University
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