"lonxitude de onda" meaning in Galician

{
  "forms": [
    {
      "form": "lonxitudes de onda",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lonxitude de onda f (plural lonxitudes de onda)",
      "name": "gl-noun"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Galician entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "gl",
          "name": "Physics",
          "orig": "gl:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "wavelength"
      ],
      "id": "en-lonxitude_de_onda-gl-noun-y~czUJQb",
      "links": [
        [
          "wavelength",
          "wavelength"
        ]
      ],
      "related": [
        {
          "word": "lonxitude"
        },
        {
          "word": "onda"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lonxitude de onda"
}

{
  "forms": [
    {
      "form": "lonxitudes de onda",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lonxitude de onda f (plural lonxitudes de onda)",
      "name": "gl-noun"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "noun",
  "related": [
    {
      "word": "lonxitude"
    },
    {
      "word": "onda"
    }
  ],
  "senses": [
    {
      "categories": [
        "Galician countable nouns",
        "Galician entries with incorrect language header",
        "Galician feminine nouns",
        "Galician lemmas",
        "Galician multiword terms",
        "Galician nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "gl:Physics"
      ],
      "glosses": [
        "wavelength"
      ],
      "links": [
        [
          "wavelength",
          "wavelength"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lonxitude de onda"
}