"magnetic dip" meaning in English

{
  "forms": [
    {
      "form": "magnetic dips",
      "tags": [
        "plural"
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      "args": {},
      "expansion": "magnetic dip (plural magnetic dips)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The angle between magnetic north and the horizontal (as shown by a compass held vertically)."
      ],
      "id": "en-magnetic_dip-en-noun-EYbZQp83",
      "links": [
        [
          "magnetic north",
          "magnetic north"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "vertically",
          "vertically"
        ]
      ],
      "translations": [
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "angle between magnetic north and the horizontal",
          "word": "từ khuynh"
        }
      ],
      "wikipedia": [
        "magnetic dip"
      ]
    }
  ],
  "word": "magnetic dip"
}

{
  "forms": [
    {
      "form": "magnetic dips",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "magnetic dip (plural magnetic dips)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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      "glosses": [
        "The angle between magnetic north and the horizontal (as shown by a compass held vertically)."
      ],
      "links": [
        [
          "magnetic north",
          "magnetic north"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "vertically",
          "vertically"
        ]
      ],
      "wikipedia": [
        "magnetic dip"
      ]
    }
  ],
  "translations": [
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "angle between magnetic north and the horizontal",
      "word": "từ khuynh"
    }
  ],
  "word": "magnetic dip"
}