"par opposition à" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "par opposition à",
      "name": "fr-prep"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prep",
  "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 prepositions",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "as opposed to"
      ],
      "id": "en-par_opposition_à-fr-prep-RNpwbkVk",
      "links": [
        [
          "as opposed to",
          "as opposed to"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/paʁ ɔ.po.zi.sjɔ̃ a/"
    }
  ],
  "word": "par opposition à"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "par opposition à",
      "name": "fr-prep"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French prepositions",
        "French terms with IPA pronunciation"
      ],
      "glosses": [
        "as opposed to"
      ],
      "links": [
        [
          "as opposed to",
          "as opposed to"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/paʁ ɔ.po.zi.sjɔ̃ a/"
    }
  ],
  "word": "par opposition à"
}