"оп арт" meaning in Bulgare

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en bulgare",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en bulgare issus d’un mot en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en bulgare",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Bulgare",
      "orig": "bulgare",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(1964) Calque de l'anglais op art, composé de optical et de art."
  ],
  "lang": "Bulgare",
  "lang_code": "bg",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "op art"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Anglicismes en bulgare",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en bulgare de la peinture",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Op art."
      ],
      "id": "fr-оп_арт-bg-noun-0IZme9F7",
      "raw_tags": [
        "Peinture"
      ],
      "tags": [
        "Anglicism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "оптическо изкуство"
    }
  ],
  "word": "оп арт"
}

{
  "categories": [
    "Lemmes en bulgare",
    "Mots en bulgare issus d’un mot en anglais",
    "Noms communs en bulgare",
    "bulgare"
  ],
  "etymology_texts": [
    "(1964) Calque de l'anglais op art, composé de optical et de art."
  ],
  "lang": "Bulgare",
  "lang_code": "bg",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "op art"
  ],
  "senses": [
    {
      "categories": [
        "Anglicismes en bulgare",
        "Lexique en bulgare de la peinture"
      ],
      "glosses": [
        "Op art."
      ],
      "raw_tags": [
        "Peinture"
      ],
      "tags": [
        "Anglicism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "оптическо изкуство"
    }
  ],
  "word": "оп арт"
}