"nuclear-thermal rocket" meaning in English

{
  "forms": [
    {
      "form": "nuclear-thermal rockets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nuclear-thermal rocket (plural nuclear-thermal rockets)",
      "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",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronautics",
          "orig": "en:Astronautics",
          "parents": [
            "Applied sciences",
            "Space",
            "Sciences",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nuclear rocketry",
          "orig": "en:Nuclear rocketry",
          "parents": [
            "Nuclear energy",
            "Rocketry",
            "Space access",
            "Energy",
            "Nuclear physics",
            "Technology",
            "Astronautics",
            "Nature",
            "Physics",
            "Quantum mechanics",
            "All topics",
            "Applied sciences",
            "Space",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "nuclear-thermoelectric rocket"
        }
      ],
      "glosses": [
        "a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor"
      ],
      "id": "en-nuclear-thermal_rocket-en-noun-DPLjk-h7",
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "rocket",
          "rocket"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "gas",
          "gas"
        ],
        [
          "exhaust",
          "exhaust"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "nuclear reactor",
          "nuclear reactor"
        ]
      ],
      "raw_glosses": [
        "(astronautics) a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor"
      ],
      "related": [
        {
          "word": "nuclear rocket"
        },
        {
          "word": "nuclear-electric rocket"
        },
        {
          "word": "nuclear-pulse rocket"
        }
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "nuclear-thermal rocket"
}

{
  "derived": [
    {
      "word": "nuclear-thermoelectric rocket"
    }
  ],
  "forms": [
    {
      "form": "nuclear-thermal rockets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nuclear-thermal rocket (plural nuclear-thermal rockets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "nuclear rocket"
    },
    {
      "word": "nuclear-electric rocket"
    },
    {
      "word": "nuclear-pulse rocket"
    }
  ],
  "senses": [
    {
      "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:Astronautics",
        "en:Nuclear rocketry"
      ],
      "glosses": [
        "a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor"
      ],
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "rocket",
          "rocket"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "gas",
          "gas"
        ],
        [
          "exhaust",
          "exhaust"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "nuclear reactor",
          "nuclear reactor"
        ]
      ],
      "raw_glosses": [
        "(astronautics) a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor"
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "nuclear-thermal rocket"
}