"china clay" meaning in English

{
  "forms": [
    {
      "form": "china clays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "china clay (countable and uncountable, plural china clays)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Minerals",
          "orig": "en:Minerals",
          "parents": [
            "Matter",
            "Mineralogy",
            "Chemistry",
            "Nature",
            "Geology",
            "Sciences",
            "All topics",
            "Earth sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1964 July, G. Freeman Allen, “The Traffic Divisions of British Railways–2: Plymouth—test-bed for road-rail co-ordination: Part Two”, in Modern Railways, page 29",
          "text": "Particularly engaging management's attention is the expanding market for china clay, which is mined in a sector of the Cornwall peninsula between St Austell in the south and Newquay in the north.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Kaolin."
      ],
      "id": "en-china_clay-en-noun-D-lY8L9-",
      "links": [
        [
          "mineralogy",
          "mineralogy"
        ],
        [
          "Kaolin",
          "kaolin"
        ]
      ],
      "raw_glosses": [
        "(mineralogy) Kaolin."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "geography",
        "geology",
        "mineralogy",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "kaolin",
          "sense": "china clay — see also kaolin",
          "tags": [
            "masculine"
          ],
          "word": "каолин"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "china clay — see also kaolin",
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "porselensjord"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "china clay — see also kaolin",
          "tags": [
            "feminine"
          ],
          "word": "porselensjord"
        }
      ],
      "wikipedia": [
        "china clay"
      ]
    }
  ],
  "word": "china clay"
}

{
  "forms": [
    {
      "form": "china clays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "china clay (countable and uncountable, plural china clays)",
      "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",
        "en:Minerals"
      ],
      "examples": [
        {
          "ref": "1964 July, G. Freeman Allen, “The Traffic Divisions of British Railways–2: Plymouth—test-bed for road-rail co-ordination: Part Two”, in Modern Railways, page 29",
          "text": "Particularly engaging management's attention is the expanding market for china clay, which is mined in a sector of the Cornwall peninsula between St Austell in the south and Newquay in the north.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Kaolin."
      ],
      "links": [
        [
          "mineralogy",
          "mineralogy"
        ],
        [
          "Kaolin",
          "kaolin"
        ]
      ],
      "raw_glosses": [
        "(mineralogy) Kaolin."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "geography",
        "geology",
        "mineralogy",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "china clay"
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "kaolin",
      "sense": "china clay — see also kaolin",
      "tags": [
        "masculine"
      ],
      "word": "каолин"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "china clay — see also kaolin",
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "porselensjord"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "china clay — see also kaolin",
      "tags": [
        "feminine"
      ],
      "word": "porselensjord"
    }
  ],
  "word": "china clay"
}