"contrafield" meaning in English

{
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        "2": "contra",
        "3": "field"
      },
      "expansion": "contra- + field",
      "name": "prefix"
    }
  ],
  "etymology_text": "From contra- + field.",
  "forms": [
    {
      "form": "contrafields",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "contrafield (plural contrafields)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
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          "source": "w"
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          "name": "Physics",
          "orig": "en:Physics",
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            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An electric field that produces an effect of deceleration on charges that pass through it"
      ],
      "id": "en-contrafield-en-noun-6WBS0-9f",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "electric field",
          "electric field"
        ],
        [
          "deceleration",
          "deceleration"
        ],
        [
          "charge",
          "charge"
        ]
      ],
      "raw_glosses": [
        "(physics) An electric field that produces an effect of deceleration on charges that pass through it"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "contrafield",
          "tags": [
            "masculine"
          ],
          "word": "controcampo"
        }
      ]
    }
  ],
  "word": "contrafield"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "contra",
        "3": "field"
      },
      "expansion": "contra- + field",
      "name": "prefix"
    }
  ],
  "etymology_text": "From contra- + field.",
  "forms": [
    {
      "form": "contrafields",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "contrafield (plural contrafields)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "An electric field that produces an effect of deceleration on charges that pass through it"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "electric field",
          "electric field"
        ],
        [
          "deceleration",
          "deceleration"
        ],
        [
          "charge",
          "charge"
        ]
      ],
      "raw_glosses": [
        "(physics) An electric field that produces an effect of deceleration on charges that pass through it"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "contrafield",
      "tags": [
        "masculine"
      ],
      "word": "controcampo"
    }
  ],
  "word": "contrafield"
}