"isotach" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso-"
      },
      "expansion": "iso-",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ταχύς",
        "4": "",
        "5": "fast"
      },
      "expansion": "Ancient Greek ταχύς (takhús, “fast”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From iso- + Ancient Greek ταχύς (takhús, “fast”) (see tachy-).",
  "forms": [
    {
      "form": "isotachs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "isotach (plural isotachs)",
      "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": "English terms prefixed with iso-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Isolines",
          "orig": "en:Isolines",
          "parents": [
            "Cartography",
            "Meteorology",
            "Geography",
            "Atmosphere",
            "Earth sciences",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An isoline linking places on a map which have equal wind speed."
      ],
      "id": "en-isotach-en-noun-xR0Kfs1R",
      "links": [
        [
          "isoline",
          "isoline"
        ],
        [
          "map",
          "map"
        ],
        [
          "equal",
          "equal"
        ],
        [
          "wind speed",
          "wind speed"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "line of equal wind speed",
          "word": "isotaksi"
        }
      ]
    }
  ],
  "word": "isotach"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso-"
      },
      "expansion": "iso-",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ταχύς",
        "4": "",
        "5": "fast"
      },
      "expansion": "Ancient Greek ταχύς (takhús, “fast”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From iso- + Ancient Greek ταχύς (takhús, “fast”) (see tachy-).",
  "forms": [
    {
      "form": "isotachs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "isotach (plural isotachs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms borrowed from Ancient Greek",
        "English terms derived from Ancient Greek",
        "English terms prefixed with iso-",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Isolines"
      ],
      "glosses": [
        "An isoline linking places on a map which have equal wind speed."
      ],
      "links": [
        [
          "isoline",
          "isoline"
        ],
        [
          "map",
          "map"
        ],
        [
          "equal",
          "equal"
        ],
        [
          "wind speed",
          "wind speed"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "line of equal wind speed",
      "word": "isotaksi"
    }
  ],
  "word": "isotach"
}