"tautochronous" meaning in English

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      "expansion": "tautochronous (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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      "glosses": [
        "Occupying the same time."
      ],
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          "time",
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        "not-comparable"
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      "translations": [
        {
          "_dis1": "99 1",
          "code": "it",
          "lang": "Italian",
          "sense": "occupying the same time",
          "word": "tautocrono"
        }
      ]
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          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
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            "Sciences",
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            "Fundamental"
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      ],
      "examples": [
        {
          "text": "tautochronous motion",
          "type": "example"
        }
      ],
      "glosses": [
        "Relating to, or having the properties of, a tautochrone."
      ],
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          "tautochrone",
          "tautochrone"
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      "raw_glosses": [
        "(mathematics) Relating to, or having the properties of, a tautochrone."
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        "not-comparable"
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      "topics": [
        "mathematics",
        "sciences"
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  "word": "tautochronous"
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  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Occupying the same time."
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        "not-comparable"
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      "examples": [
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      "glosses": [
        "Relating to, or having the properties of, a tautochrone."
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        "(mathematics) Relating to, or having the properties of, a tautochrone."
      ],
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        "not-comparable"
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        "mathematics",
        "sciences"
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  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "occupying the same time",
      "word": "tautocrono"
    }
  ],
  "word": "tautochronous"
}