"onde progressive" meaning in French

{
  "antonyms": [
    {
      "word": "onde stationnaire"
    }
  ],
  "forms": [
    {
      "form": "ondes progressives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "onde progressive f (plural ondes progressives)",
      "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": "topical",
          "langcode": "fr",
          "name": "Physics",
          "orig": "fr:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "travelling wave"
      ],
      "id": "en-onde_progressive-fr-noun-aA8E-1~q",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "travelling wave",
          "travelling wave"
        ]
      ],
      "raw_glosses": [
        "(physics) travelling wave"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "fr:onde progressive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔ̃d pʁɔ.ɡʁɛ.siv/"
    },
    {
      "ipa": "/ɔ̃d pʁɔ.ɡʁe.siv/"
    }
  ],
  "word": "onde progressive"
}

{
  "antonyms": [
    {
      "word": "onde stationnaire"
    }
  ],
  "forms": [
    {
      "form": "ondes progressives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "onde progressive f (plural ondes progressives)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French terms with IPA pronunciation",
        "fr:Physics"
      ],
      "glosses": [
        "travelling wave"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "travelling wave",
          "travelling wave"
        ]
      ],
      "raw_glosses": [
        "(physics) travelling wave"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "fr:onde progressive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔ̃d pʁɔ.ɡʁɛ.siv/"
    },
    {
      "ipa": "/ɔ̃d pʁɔ.ɡʁe.siv/"
    }
  ],
  "word": "onde progressive"
}