"Cepheid variable" meaning in English

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  "etymology_text": "From Latin Delta Cephei, the first such star identified. From Cepheus, the name of the constellation in which such stars were first discovered. From being a star with variable brightness.",
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      "form": "Cepheid variables",
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      "glosses": [
        "A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness."
      ],
      "id": "en-Cepheid_variable-en-noun-AxxfZw3l",
      "links": [
        [
          "astronomy",
          "astronomy"
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        [
          "radially",
          "radially"
        ],
        [
          "pulsating",
          "pulsating"
        ],
        [
          "star",
          "star"
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        [
          "regular",
          "regular"
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        [
          "period",
          "period"
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        [
          "intrinsic brightness",
          "intrinsic brightness"
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        "(astronomy) A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "radially pulsating variable star",
          "tags": [
            "feminine"
          ],
          "word": "céphéide"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "radially pulsating variable star",
          "tags": [
            "feminine"
          ],
          "word": "réalta athraitheach Ceifide"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "radially pulsating variable star",
          "tags": [
            "feminine"
          ],
          "word": "estrella variable Cefeida"
        }
      ],
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        "Cepheid variable"
      ]
    }
  ],
  "word": "Cepheid variable"
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  "etymology_text": "From Latin Delta Cephei, the first such star identified. From Cepheus, the name of the constellation in which such stars were first discovered. From being a star with variable brightness.",
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    {
      "form": "Cepheid variables",
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        "A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "radially",
          "radially"
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        "(astronomy) A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness."
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        "astronomy",
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      ],
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    {
      "code": "fr",
      "lang": "French",
      "sense": "radially pulsating variable star",
      "tags": [
        "feminine"
      ],
      "word": "céphéide"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "radially pulsating variable star",
      "tags": [
        "feminine"
      ],
      "word": "réalta athraitheach Ceifide"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "radially pulsating variable star",
      "tags": [
        "feminine"
      ],
      "word": "estrella variable Cefeida"
    }
  ],
  "word": "Cepheid variable"
}