"dead reckoning" meaning in English

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  "etymology_text": "Uncertain. Not short for deduced or deductive, but this belief explains the alternative spelling ded reckoning (which actually originated centuries later).",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled from a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR"
      ],
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          "method",
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        [
          "estimating",
          "estimating"
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          "position",
          "position"
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        [
          "ship",
          "ship"
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        [
          "aircraft",
          "aircraft"
        ],
        [
          "applying",
          "applying"
        ],
        [
          "estimate",
          "estimate"
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        [
          "distance",
          "distance"
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        [
          "direction",
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          "travelled",
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          "previously",
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          "estimated position",
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          "DR",
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        {
          "word": "ded reckoning"
        }
      ],
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        "uncountable"
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      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "method of estimating the position of a ship or aircraft",
          "word": "gegist bestek"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "method of estimating the position of a ship or aircraft",
          "word": "merkintälasku"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "method of estimating the position of a ship or aircraft",
          "word": "navigation à l’estime"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "nekrós apologismós",
          "sense": "method of estimating the position of a ship or aircraft",
          "tags": [
            "masculine"
          ],
          "word": "νεκρός απολογισμός"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "method of estimating the position of a ship or aircraft",
          "tags": [
            "feminine"
          ],
          "word": "nawigacja zliczeniowa"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "method of estimating the position of a ship or aircraft",
          "tags": [
            "feminine"
          ],
          "word": "navegação estimada"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "method of estimating the position of a ship or aircraft",
          "tags": [
            "feminine"
          ],
          "word": "estima"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "method of estimating the position of a ship or aircraft",
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          "word": "död räkning"
        }
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        "dead reckoning"
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  "word": "dead reckoning"
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  "forms": [
    {
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      "glosses": [
        "A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled from a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR"
      ],
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        ],
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          "ship",
          "ship"
        ],
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          "aircraft",
          "aircraft"
        ],
        [
          "applying",
          "applying"
        ],
        [
          "estimate",
          "estimate"
        ],
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          "distance",
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        ],
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          "direction",
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          "travelled",
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        ],
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          "previously",
          "previously"
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          "estimated position",
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  "synonyms": [
    {
      "word": "ded reckoning"
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "method of estimating the position of a ship or aircraft",
      "word": "gegist bestek"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "method of estimating the position of a ship or aircraft",
      "word": "merkintälasku"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "method of estimating the position of a ship or aircraft",
      "word": "navigation à l’estime"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "nekrós apologismós",
      "sense": "method of estimating the position of a ship or aircraft",
      "tags": [
        "masculine"
      ],
      "word": "νεκρός απολογισμός"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "method of estimating the position of a ship or aircraft",
      "tags": [
        "feminine"
      ],
      "word": "nawigacja zliczeniowa"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "method of estimating the position of a ship or aircraft",
      "tags": [
        "feminine"
      ],
      "word": "navegação estimada"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "method of estimating the position of a ship or aircraft",
      "tags": [
        "feminine"
      ],
      "word": "estima"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "method of estimating the position of a ship or aircraft",
      "tags": [
        "common-gender"
      ],
      "word": "död räkning"
    }
  ],
  "word": "dead reckoning"
}