"black body" meaning in English

{
  "forms": [
    {
      "form": "black bodies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "black body (plural black bodies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "blackbody"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of blackbody"
      ],
      "id": "en-black_body-en-noun-7SF4v7WP",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "blackbody",
          "blackbody#English"
        ]
      ],
      "raw_glosses": [
        "(physics) Alternative form of blackbody"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see black, body."
      ],
      "id": "en-black_body-en-noun-qBSi4w8Z",
      "links": [
        [
          "black",
          "black#English"
        ],
        [
          "body",
          "body#English"
        ]
      ],
      "related": [
        {
          "_dis1": "0 100",
          "word": "body in black"
        }
      ]
    }
  ],
  "word": "black body"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Astronomy"
  ],
  "forms": [
    {
      "form": "black bodies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "black body (plural black bodies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "body in black"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "blackbody"
        }
      ],
      "categories": [
        "en:Physics"
      ],
      "glosses": [
        "Alternative form of blackbody"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "blackbody",
          "blackbody#English"
        ]
      ],
      "raw_glosses": [
        "(physics) Alternative form of blackbody"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see black, body."
      ],
      "links": [
        [
          "black",
          "black#English"
        ],
        [
          "body",
          "body#English"
        ]
      ]
    }
  ],
  "word": "black body"
}