"Poggendorff illusion" meaning in All languages combined

{
  "etymology_text": "Named after Johann Christian Poggendorff, journal editor who discovered the effect in figures submitted by Johann Karl Friedrich Zöllner in 1860.",
  "forms": [
    {
      "form": "Poggendorff illusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Poggendorff illusion (plural Poggendorff illusions)",
      "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": [
        "An optical illusion involving the misperception of the position of one segment of a transverse line that has been interrupted by the contour of an intervening structure."
      ],
      "id": "en-Poggendorff_illusion-en-noun-oS7uRKKr",
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ],
        [
          "misperception",
          "misperception"
        ],
        [
          "segment",
          "segment"
        ],
        [
          "transverse",
          "transverse"
        ],
        [
          "line",
          "line"
        ],
        [
          "contour",
          "contour"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-uːʒən"
    }
  ],
  "word": "Poggendorff illusion"
}

{
  "etymology_text": "Named after Johann Christian Poggendorff, journal editor who discovered the effect in figures submitted by Johann Karl Friedrich Zöllner in 1860.",
  "forms": [
    {
      "form": "Poggendorff illusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Poggendorff illusion (plural Poggendorff illusions)",
      "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 with non-redundant non-automated sortkeys",
        "Rhymes:English/uːʒən",
        "Rhymes:English/uːʒən/6 syllables",
        "en:Optical illusions"
      ],
      "glosses": [
        "An optical illusion involving the misperception of the position of one segment of a transverse line that has been interrupted by the contour of an intervening structure."
      ],
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ],
        [
          "misperception",
          "misperception"
        ],
        [
          "segment",
          "segment"
        ],
        [
          "transverse",
          "transverse"
        ],
        [
          "line",
          "line"
        ],
        [
          "contour",
          "contour"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-uːʒən"
    }
  ],
  "word": "Poggendorff illusion"
}