"Rh-null" meaning in English

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        "2": "Rh",
        "3": "null",
        "gloss1": "Rhesus factor",
        "gloss2": "missing, none"
      },
      "expansion": "Rh (“Rhesus factor”) + null (“missing, none”)",
      "name": "compound"
    }
  ],
  "etymology_text": "From Rh (“Rhesus factor”) + null (“missing, none”).",
  "head_templates": [
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      "expansion": "Rh-null (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Pertaining to the Rh-null syndrome, or blood produced by the syndrome."
      ],
      "id": "en-Rh-null-en-adj-DZp4Vlin",
      "links": [
        [
          "Rh-null syndrome",
          "Rh-null syndrome#English"
        ],
        [
          "blood",
          "blood#English"
        ]
      ],
      "related": [
        {
          "english": "pertaining to blood missing Rh factor D, one of 61 Rh blood factors",
          "word": "Rh negative"
        },
        {
          "english": "pertaining to blood containing Rh factor D, one of 61 Rh blood factors",
          "word": "Rh positive"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "Rh-null"
}

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        "3": "null",
        "gloss1": "Rhesus factor",
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      },
      "expansion": "Rh (“Rhesus factor”) + null (“missing, none”)",
      "name": "compound"
    }
  ],
  "etymology_text": "From Rh (“Rhesus factor”) + null (“missing, none”).",
  "head_templates": [
    {
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      "expansion": "Rh-null (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factors), a system of 61 antigen types",
          "word": "Rh-null blood"
        }
      ],
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          "source": "w+disamb"
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      ],
      "glosses": [
        "Ellipsis of Rh-null blood.; a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factors), a system of 61 antigen types."
      ],
      "id": "en-Rh-null-en-noun-e3nEJi9d",
      "links": [
        [
          "Rh-null blood",
          "Rh-null blood#English"
        ],
        [
          "blood type",
          "blood type#English"
        ],
        [
          "Rh factor",
          "Rh factor#English"
        ],
        [
          "antigen",
          "antigen#English"
        ]
      ],
      "synonyms": [
        {
          "word": "golden blood"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "ellipsis",
        "uncountable"
      ]
    }
  ],
  "word": "Rh-null"
}

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    "English compound terms",
    "English entries with incorrect language header",
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    "English multiword terms",
    "English nouns",
    "English uncomparable adjectives",
    "English uncountable nouns",
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    "Pages with entries"
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      "expansion": "Rh (“Rhesus factor”) + null (“missing, none”)",
      "name": "compound"
    }
  ],
  "etymology_text": "From Rh (“Rhesus factor”) + null (“missing, none”).",
  "head_templates": [
    {
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      "expansion": "Rh-null (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "english": "pertaining to blood missing Rh factor D, one of 61 Rh blood factors",
      "word": "Rh negative"
    },
    {
      "english": "pertaining to blood containing Rh factor D, one of 61 Rh blood factors",
      "word": "Rh positive"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Pertaining to the Rh-null syndrome, or blood produced by the syndrome."
      ],
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        [
          "Rh-null syndrome",
          "Rh-null syndrome#English"
        ],
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          "blood",
          "blood#English"
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      "tags": [
        "not-comparable"
      ]
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  ],
  "word": "Rh-null"
}

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    "English compound terms",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncomparable adjectives",
    "English uncountable nouns",
    "Pages with 1 entry",
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      "name": "compound"
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  ],
  "etymology_text": "From Rh (“Rhesus factor”) + null (“missing, none”).",
  "head_templates": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factors), a system of 61 antigen types",
          "word": "Rh-null blood"
        }
      ],
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      ],
      "glosses": [
        "Ellipsis of Rh-null blood.; a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factors), a system of 61 antigen types."
      ],
      "links": [
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          "Rh-null blood",
          "Rh-null blood#English"
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          "blood type",
          "blood type#English"
        ],
        [
          "Rh factor",
          "Rh factor#English"
        ],
        [
          "antigen",
          "antigen#English"
        ]
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  ],
  "synonyms": [
    {
      "word": "golden blood"
    }
  ],
  "word": "Rh-null"
}