"metacontrast" meaning in English

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      "expansion": "meta- + contrast",
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  "etymology_text": "From meta- + contrast.",
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      "expansion": "metacontrast",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015 September 9, “Visible Persistence of Single-Transient Random Dot Patterns: Spatial Parameters Affect the Duration of Fading Percepts”, in PLOS ONE, →DOI:",
          "text": "Stimuli with pixels that change just once have been employed by Sackur [20 ] for studying metacontrast masking rather than visible persistence; he displaced pixels instead of flipping them.",
          "type": "quote"
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      ],
      "glosses": [
        "A reduction of the apparent brightness of illumination when an adjacent visual field is illuminated"
      ],
      "id": "en-metacontrast-en-noun-qzX3ZATJ",
      "links": [
        [
          "reduction",
          "reduction"
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          "brightness",
          "brightness"
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        [
          "illumination",
          "illumination"
        ]
      ]
    }
  ],
  "word": "metacontrast"
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  ],
  "etymology_text": "From meta- + contrast.",
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  "lang_code": "en",
  "pos": "noun",
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      ],
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        "A reduction of the apparent brightness of illumination when an adjacent visual field is illuminated"
      ],
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  "word": "metacontrast"
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