Oppel-Kundt illusion in English

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{
  "etymology_text": "Named after German physicists Johann Joseph Oppel and August Kundt.",
  "forms": [
    {
      "form": "Oppel-Kundt illusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Oppel-Kundt illusion (plural Oppel-Kundt illusions)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Optical illusions",
          "orig": "en:Optical illusions",
          "parents": [
            "Vision",
            "Senses",
            "Perception",
            "Body",
            "All topics",
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        }
      ],
      "glosses": [
        "An optical illusion that occurs when comparing the sizes of filled and unfilled parts of an image."
      ],
      "id": "en-Oppel-Kundt_illusion-en-noun-IEluEIO1",
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ]
      ]
    }
  ],
  "word": "Oppel-Kundt illusion"
}

[Show JSON for raw wiktextract data ▼] [Hide JSON for raw wiktextract data ▲]

{
  "etymology_text": "Named after German physicists Johann Joseph Oppel and August Kundt.",
  "forms": [
    {
      "form": "Oppel-Kundt illusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Oppel-Kundt illusion (plural Oppel-Kundt illusions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
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        "Pages with entries",
        "en:Optical illusions"
      ],
      "glosses": [
        "An optical illusion that occurs when comparing the sizes of filled and unfilled parts of an image."
      ],
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ]
      ]
    }
  ],
  "word": "Oppel-Kundt illusion"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-04-08 from the enwiktionary dump dated 2025-04-03 using wiktextract (51d164f and fb63907). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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"Oppel-Kundt illusion" meaning in English

Noun

Inflected forms