"blotter art" meaning in English

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      "expansion": "blotter art (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Art",
          "orig": "en:Art",
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            "Culture",
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            "Fundamental"
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      "examples": [
        {
          "ref": "2018, James Oroc, The New Psychedelic Revolution: The Genesis of the Visionary Age, Park Street Press, →ISBN:",
          "text": "Marc McCloud is a San Francisco artist and former art professor who started collecting blotter art—printed tabs or sheets of paper LSD over forty years ago.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An art form printed on blotter acid (small sheets of blotting paper infused with LSD), often with bright, contrasting colors and repeating patterns."
      ],
      "id": "en-blotter_art-en-noun-WhWorLYe",
      "links": [
        [
          "art form",
          "art form"
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        [
          "blotter acid",
          "blotter acid"
        ],
        [
          "blotting paper",
          "blotting paper"
        ],
        [
          "LSD",
          "LSD"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "blotter art"
}

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2018, James Oroc, The New Psychedelic Revolution: The Genesis of the Visionary Age, Park Street Press, →ISBN:",
          "text": "Marc McCloud is a San Francisco artist and former art professor who started collecting blotter art—printed tabs or sheets of paper LSD over forty years ago.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An art form printed on blotter acid (small sheets of blotting paper infused with LSD), often with bright, contrasting colors and repeating patterns."
      ],
      "links": [
        [
          "art form",
          "art form"
        ],
        [
          "blotter acid",
          "blotter acid"
        ],
        [
          "blotting paper",
          "blotting paper"
        ],
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          "LSD",
          "LSD"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
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  "word": "blotter art"
}