"spectral type" meaning in English

{
  "forms": [
    {
      "form": "spectral types",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spectral type (plural spectral types)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits"
      ],
      "id": "en-spectral_type-en-noun-EkFsqwx7",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "indication",
          "indication"
        ],
        [
          "physical",
          "physical"
        ],
        [
          "chemical",
          "chemical"
        ],
        [
          "star",
          "star"
        ],
        [
          "spectrum",
          "spectrum"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(astronomy) an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits"
      ],
      "related": [
        {
          "word": "Hertzsprung-Russell diagram"
        }
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "spectral type"
}

{
  "forms": [
    {
      "form": "spectral types",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spectral type (plural spectral types)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Hertzsprung-Russell diagram"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
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        "en:Astronomy"
      ],
      "glosses": [
        "an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits"
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "indication",
          "indication"
        ],
        [
          "physical",
          "physical"
        ],
        [
          "chemical",
          "chemical"
        ],
        [
          "star",
          "star"
        ],
        [
          "spectrum",
          "spectrum"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(astronomy) an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "spectral type"
}