"op-art" meaning in Néerlandais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en néerlandais issus d’un mot en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Néerlandais",
      "orig": "néerlandais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De l'anglais op art."
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Anglicismes en néerlandais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en néerlandais de la peinture",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Op art"
      ],
      "id": "fr-op-art-nl-noun-prN3kVng",
      "raw_tags": [
        "Peinture"
      ],
      "tags": [
        "Anglicism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "optische kunst"
    }
  ],
  "word": "op-art"
}

{
  "categories": [
    "Lemmes en néerlandais",
    "Mots en néerlandais issus d’un mot en anglais",
    "Noms communs en néerlandais",
    "néerlandais"
  ],
  "etymology_texts": [
    "De l'anglais op art."
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Anglicismes en néerlandais",
        "Lexique en néerlandais de la peinture"
      ],
      "glosses": [
        "Op art"
      ],
      "raw_tags": [
        "Peinture"
      ],
      "tags": [
        "Anglicism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "optische kunst"
    }
  ],
  "word": "op-art"
}