"dinaphthyl" meaning in English

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        "2": "di",
        "3": "naphthyl"
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      "expansion": "di- + naphthyl",
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  ],
  "etymology_text": "di- + naphthyl",
  "forms": [
    {
      "form": "dinaphthyls",
      "tags": [
        "plural"
      ]
    }
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  "lang_code": "en",
  "pos": "noun",
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    {
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          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
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      "glosses": [
        "Two naphthyl radicals in a compound"
      ],
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          "organic chemistry",
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          "naphthyl"
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      "raw_glosses": [
        "(organic chemistry, especially in combination) Two naphthyl radicals in a compound"
      ],
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        "countable",
        "especially",
        "in-compounds",
        "uncountable"
      ],
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        "chemistry",
        "natural-sciences",
        "organic-chemistry",
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          "_dis": "33 67",
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        "binaphthyl"
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          "binaphthyl"
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      "raw_glosses": [
        "(organic chemistry) binaphthyl"
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "dinaphthyl"
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  ],
  "etymology_text": "di- + naphthyl",
  "forms": [
    {
      "form": "dinaphthyls",
      "tags": [
        "plural"
      ]
    }
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  "head_templates": [
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  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "Two naphthyl radicals in a compound"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "naphthyl",
          "naphthyl"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, especially in combination) Two naphthyl radicals in a compound"
      ],
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        "especially",
        "in-compounds",
        "uncountable"
      ],
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        "chemistry",
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