"tautochrone" meaning in English

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      "expansion": "Ancient Greek ταὐτός (tautós, “the same”)",
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  "etymology_text": "From Ancient Greek ταὐτός (tautós, “the same”) + χρόνος (khrónos, “time”).",
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    {
      "form": "tautochrones",
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      "derived": [
        {
          "word": "tautochronous"
        }
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        {
          "text": "An inverted cycloid with its base horizontal is a tautochrone.",
          "type": "example"
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      ],
      "glosses": [
        "A curve, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall."
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        "(mathematics) A curve, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall."
      ],
      "synonyms": [
        {
          "word": "tautochrone curve"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
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  "word": "tautochrone"
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        "A curve, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall."
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        "(mathematics) A curve, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall."
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