"opaquer" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
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      "form_of": [
        {
          "extra": "more opaque",
          "word": "opaque"
        }
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      "glosses": [
        "comparative form of opaque: more opaque"
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          "opaque#English"
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        "form-of"
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  "word": "opaquer"
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{
  "forms": [
    {
      "form": "opaquers",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "opaquer (plural opaquers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "topical",
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          "name": "Dentistry",
          "orig": "en:Dentistry",
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            "Medicine",
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      "glosses": [
        "A substance used to block out dark colours of staining, underlying dental work, etc."
      ],
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      "raw_glosses": [
        "(dentistry) A substance used to block out dark colours of staining, underlying dental work, etc."
      ],
      "topics": [
        "dentistry",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "opaquer"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "form_of": [
        {
          "extra": "more opaque",
          "word": "opaque"
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      "glosses": [
        "comparative form of opaque: more opaque"
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          "opaque",
          "opaque#English"
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  "word": "opaquer"
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  "forms": [
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      "form": "opaquers",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Dentistry"
      ],
      "glosses": [
        "A substance used to block out dark colours of staining, underlying dental work, etc."
      ],
      "links": [
        [
          "dentistry",
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        "(dentistry) A substance used to block out dark colours of staining, underlying dental work, etc."
      ],
      "topics": [
        "dentistry",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "opaquer"
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