"Fresnel lens" meaning in All languages combined

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  ],
  "etymology_text": "Named after French physicist and inventor Augustin-Jean Fresnel.",
  "forms": [
    {
      "form": "Fresnel lenses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "Fresnel lens (plural Fresnel lenses)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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      ],
      "glosses": [
        "The hollow cylindrical lens used in the Fresnel lantern."
      ],
      "id": "en-Fresnel_lens-en-noun--KX91xbi",
      "links": [
        [
          "hollow",
          "hollow"
        ],
        [
          "cylindrical",
          "cylindrical"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "Fresnel lantern",
          "Fresnel lantern"
        ]
      ],
      "synonyms": [
        {
          "word": "echelon lens"
        }
      ],
      "translations": [
        {
          "code": "ja",
          "lang": "Japanese",
          "lang_code": "ja",
          "roman": "Fureneru renzu",
          "sense": "lens used in Fresnel lantern",
          "word": "フレネルレンズ"
        }
      ],
      "wikipedia": [
        "Augustin-Jean Fresnel"
      ]
    }
  ],
  "word": "Fresnel lens"
}

{
  "etymology_links": [
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  "etymology_templates": [
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  ],
  "etymology_text": "Named after French physicist and inventor Augustin-Jean Fresnel.",
  "forms": [
    {
      "form": "Fresnel lenses",
      "tags": [
        "plural"
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  "head_templates": [
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  "lang_code": "en",
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      ],
      "glosses": [
        "The hollow cylindrical lens used in the Fresnel lantern."
      ],
      "links": [
        [
          "hollow",
          "hollow"
        ],
        [
          "cylindrical",
          "cylindrical"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "Fresnel lantern",
          "Fresnel lantern"
        ]
      ],
      "synonyms": [
        {
          "word": "echelon lens"
        }
      ],
      "wikipedia": [
        "Augustin-Jean Fresnel"
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  "translations": [
    {
      "code": "ja",
      "lang": "Japanese",
      "lang_code": "ja",
      "roman": "Fureneru renzu",
      "sense": "lens used in Fresnel lantern",
      "word": "フレネルレンズ"
    }
  ],
  "word": "Fresnel lens"
}