"Fröhlich effect" meaning in English

{
  "etymology_text": "Described by Friedrich W. Fröhlich.",
  "forms": [
    {
      "form": "Fröhlich effects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fröhlich effect (plural Fröhlich effects)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Optical illusions",
          "orig": "en:Optical illusions",
          "parents": [
            "Vision",
            "Senses",
            "Perception",
            "Body",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A visual illusion wherein the first position of a moving object entering a window is misperceived."
      ],
      "id": "en-Fröhlich_effect-en-noun-J5tiaNkT",
      "links": [
        [
          "visual",
          "visual"
        ],
        [
          "illusion",
          "illusion"
        ],
        [
          "misperceive",
          "misperceive"
        ]
      ],
      "wikipedia": [
        "Fröhlich effect"
      ]
    }
  ],
  "word": "Fröhlich effect"
}

{
  "etymology_text": "Described by Friedrich W. Fröhlich.",
  "forms": [
    {
      "form": "Fröhlich effects",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fröhlich effect (plural Fröhlich effects)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms spelled with Ö",
        "English terms spelled with ◌̈",
        "English terms with non-redundant non-automated sortkeys",
        "en:Optical illusions"
      ],
      "glosses": [
        "A visual illusion wherein the first position of a moving object entering a window is misperceived."
      ],
      "links": [
        [
          "visual",
          "visual"
        ],
        [
          "illusion",
          "illusion"
        ],
        [
          "misperceive",
          "misperceive"
        ]
      ],
      "wikipedia": [
        "Fröhlich effect"
      ]
    }
  ],
  "word": "Fröhlich effect"
}