"NSR" meaning in English

{
  "categories": [
    {
      "_dis": "0 0",
      "kind": "other",
      "langcode": "en",
      "name": "Electrocardiography",
      "orig": "en:Electrocardiography",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "phr"
      },
      "expansion": "NSR",
      "name": "en-head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "no signature required"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of no signature required."
      ],
      "id": "en-NSR-en-phrase-Awxyfjp~",
      "links": [
        [
          "no",
          "no#English"
        ],
        [
          "signature",
          "signature#English"
        ],
        [
          "required",
          "required#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "NSR"
}

{
  "categories": [
    {
      "_dis": "0 0",
      "kind": "other",
      "langcode": "en",
      "name": "Electrocardiography",
      "orig": "en:Electrocardiography",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "forms": [
    {
      "form": "NSRs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "NSR (plural NSRs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "normal sinus rhythm"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "87 13",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "79 21",
          "kind": "other",
          "name": "English words spelled without vowels",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of normal sinus rhythm."
      ],
      "id": "en-NSR-en-noun-j1wUvIA7",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "normal",
          "normal#English"
        ],
        [
          "sinus rhythm",
          "sinus rhythm#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of normal sinus rhythm."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "NSR"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English phrases",
    "English words spelled without vowels",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Electrocardiography"
  ],
  "head_templates": [
    {
      "args": {
        "1": "phr"
      },
      "expansion": "NSR",
      "name": "en-head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "no signature required"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of no signature required."
      ],
      "links": [
        [
          "no",
          "no#English"
        ],
        [
          "signature",
          "signature#English"
        ],
        [
          "required",
          "required#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "NSR"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English phrases",
    "English words spelled without vowels",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Electrocardiography"
  ],
  "forms": [
    {
      "form": "NSRs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "NSR (plural NSRs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "normal sinus rhythm"
        }
      ],
      "categories": [
        "English initialisms",
        "en:Medicine"
      ],
      "glosses": [
        "Initialism of normal sinus rhythm."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "normal",
          "normal#English"
        ],
        [
          "sinus rhythm",
          "sinus rhythm#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of normal sinus rhythm."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "NSR"
}