"mégamètre" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "méga-",
        "3": "mètre"
      },
      "expansion": "méga- + mètre",
      "name": "af"
    }
  ],
  "etymology_text": "From méga- + mètre.",
  "forms": [
    {
      "form": "mégamètres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "mégamètre m (plural mégamètres)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms prefixed with méga-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "SI units",
          "orig": "fr:SI units",
          "parents": [
            "Units of measure",
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "megameter"
      ],
      "id": "en-mégamètre-fr-noun-XNVp4TWt",
      "links": [
        [
          "megameter",
          "megameter"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/me.ɡa.mɛtʁ/"
    },
    {
      "audio": "Fr-Paris--mégamètre.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b8/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/b8/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg"
    }
  ],
  "word": "mégamètre"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "méga-",
        "3": "mètre"
      },
      "expansion": "méga- + mètre",
      "name": "af"
    }
  ],
  "etymology_text": "From méga- + mètre.",
  "forms": [
    {
      "form": "mégamètres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "mégamètre m (plural mégamètres)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms prefixed with méga-",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:SI units"
      ],
      "glosses": [
        "megameter"
      ],
      "links": [
        [
          "megameter",
          "megameter"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/me.ɡa.mɛtʁ/"
    },
    {
      "audio": "Fr-Paris--mégamètre.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b8/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/b8/Fr-Paris--m%C3%A9gam%C3%A8tre.ogg"
    }
  ],
  "word": "mégamètre"
}