"uncoated free sheet" meaning in English

{
  "forms": [
    {
      "form": "uncoated free sheets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "uncoated free sheet (countable and uncountable, plural uncoated free sheets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, PJ Ince, “Long-range outlook for US paper and paperboard demand, technology, and fiber supply-demand”, in Proceedings of the Society of American Foresters 1998",
          "text": "Other grades of paper, such as uncoated free sheet paper used in electronic printers and copiers, are increasing in per capita consumption.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A grade of paper containing little or no mechanical wood pulp that is often used in the production of office papers."
      ],
      "id": "en-uncoated_free_sheet-en-noun-bb7cnGcD",
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "uncoated free sheet"
}

{
  "forms": [
    {
      "form": "uncoated free sheets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "uncoated free sheet (countable and uncountable, plural uncoated free sheets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "1999, PJ Ince, “Long-range outlook for US paper and paperboard demand, technology, and fiber supply-demand”, in Proceedings of the Society of American Foresters 1998",
          "text": "Other grades of paper, such as uncoated free sheet paper used in electronic printers and copiers, are increasing in per capita consumption.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A grade of paper containing little or no mechanical wood pulp that is often used in the production of office papers."
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "uncoated free sheet"
}