"isochron" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "isochron dating"
    },
    {
      "_dis1": "0 0",
      "word": "isochron diagram"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso",
        "3": "chron"
      },
      "expansion": "iso- + chron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From iso- + chron.",
  "forms": [
    {
      "form": "isochrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "isochron (plural isochrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "isochronism"
    },
    {
      "_dis1": "0 0",
      "word": "isochronous"
    },
    {
      "_dis1": "0 0",
      "word": "isochrony"
    },
    {
      "_dis1": "0 0",
      "word": "isochrone"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geology",
          "orig": "en:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997, H.-G. Attendorn, R. Bowen, Radioactive and Stable Isotope Geology, Chapman & Hall, page 163:",
          "text": "Recapitulating, any suite of comagmatic rocks with an age t defines an isochron if its members all had the same initial ^{₈₇}Sr/^{₈₆}Sr ratio and if it was closed to both Rb and Sr since crystallization occurred and neither element was introduced from any extraneous source.[…]In this way, whole-rock Rb-Sr isochrons can produce rather reliable age data for rock samples.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A line on a chart linking rock of the same age (as determined from isotope ratios)."
      ],
      "id": "en-isochron-en-noun-7BnD-8Y-",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "age",
          "age"
        ]
      ],
      "qualifier": "geochemistry",
      "raw_glosses": [
        "(geology, geochemistry) A line on a chart linking rock of the same age (as determined from isotope ratios)."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ],
      "translations": [
        {
          "_dis1": "73 27",
          "code": "de",
          "lang": "German",
          "sense": "line on a chart linking rock of the same age",
          "tags": [
            "feminine"
          ],
          "word": "Isochrone"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "English terms prefixed with iso-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2007, Eugene M. Izhikevich, Dynamical Systems in Neuroscience, The MIT Press, page 446:",
          "text": "The entire plane is foliated by isochrons.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system."
      ],
      "id": "en-isochron-en-noun-eHx9jWUh",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
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          "manifold"
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        [
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          "condition"
        ],
        [
          "dynamical system",
          "dynamical system"
        ]
      ],
      "qualifier": "dynamical systems",
      "raw_glosses": [
        "(mathematics, dynamical systems) A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "_dis1": "15 85",
          "code": "de",
          "lang": "German",
          "sense": "collection of points representing initial conditions of a dynamical system",
          "tags": [
            "feminine"
          ],
          "word": "Isochrone"
        }
      ]
    }
  ],
  "word": "isochron"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with iso-",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with German translations"
  ],
  "derived": [
    {
      "word": "isochron dating"
    },
    {
      "word": "isochron diagram"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso",
        "3": "chron"
      },
      "expansion": "iso- + chron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From iso- + chron.",
  "forms": [
    {
      "form": "isochrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "isochron (plural isochrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "isochronism"
    },
    {
      "word": "isochronous"
    },
    {
      "word": "isochrony"
    },
    {
      "word": "isochrone"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "en:Geology"
      ],
      "examples": [
        {
          "ref": "1997, H.-G. Attendorn, R. Bowen, Radioactive and Stable Isotope Geology, Chapman & Hall, page 163:",
          "text": "Recapitulating, any suite of comagmatic rocks with an age t defines an isochron if its members all had the same initial ^{₈₇}Sr/^{₈₆}Sr ratio and if it was closed to both Rb and Sr since crystallization occurred and neither element was introduced from any extraneous source.[…]In this way, whole-rock Rb-Sr isochrons can produce rather reliable age data for rock samples.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A line on a chart linking rock of the same age (as determined from isotope ratios)."
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "age",
          "age"
        ]
      ],
      "qualifier": "geochemistry",
      "raw_glosses": [
        "(geology, geochemistry) A line on a chart linking rock of the same age (as determined from isotope ratios)."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "en:Mathematics"
      ],
      "examples": [
        {
          "ref": "2007, Eugene M. Izhikevich, Dynamical Systems in Neuroscience, The MIT Press, page 446:",
          "text": "The entire plane is foliated by isochrons.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "manifold",
          "manifold"
        ],
        [
          "condition",
          "condition"
        ],
        [
          "dynamical system",
          "dynamical system"
        ]
      ],
      "qualifier": "dynamical systems",
      "raw_glosses": [
        "(mathematics, dynamical systems) A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "line on a chart linking rock of the same age",
      "tags": [
        "feminine"
      ],
      "word": "Isochrone"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "collection of points representing initial conditions of a dynamical system",
      "tags": [
        "feminine"
      ],
      "word": "Isochrone"
    }
  ],
  "word": "isochron"
}