"Schallwellen" meaning in Allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Allemand",
      "orig": "allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "Schallwelle"
        }
      ],
      "glosses": [
        "Pluriel de Schallwelle."
      ],
      "id": "fr-Schallwellen-de-noun-twOTZQ8D"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈʃalˌvɛlən\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "Schallwellen"
}

{
  "categories": [
    "Formes de noms communs en allemand",
    "allemand"
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "Schallwelle"
        }
      ],
      "glosses": [
        "Pluriel de Schallwelle."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈʃalˌvɛlən\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "Schallwellen"
}